Patent Date Title Inventor Assignee
1788035January 6, 1931Volume-control circuitsSTEVENSON GEORGE HBELL TELEPHONE LABOR INC
1788031January 6, 1931Forming toolPRITCHARD WILLIAM TBELL TELEPHONE LABOR INC
1788030January 6, 1931Telephone instrumentPENN JULIUS HBELL TELEPHONE LABOR INC
1788007January 6, 1931Telephone repeater systemABBOTT HENRY H ; ENTZ FERDINAND SAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1787606January 6, 1931Magnetic materialWHITE JOHN H ; LEGG VICTOR EBELL TELEPHONE LABOR INC
1788747January 13, 1931Telephone desk setSCHARRINGHAUSEN WILLIAM HBELL TELEPHONE LABOR INC
1788736January 13, 1931Echo-suppressing and energy-limiting circuitsO'NEILL HENRY WBELL TELEPHONE LABOR INC
1788734January 13, 1931Regulator systemMORTON EDMUND RBELL TELEPHONE LABOR INC
1788733January 13, 1931Regulator systemMORTON EDMUND RBELL TELEPHONE LABOR INC
1788720January 13, 1931Polyphase vacuum-tube oscillatorJENSEN AXEL GBELL TELEPHONE LABOR INC
1788714January 13, 1931High and low frequency transmission circuitsGRIMLEY DONALD GBELL TELEPHONE LABOR INC
1788704January 13, 1931Telephone systemORFEO CESAREOBELL TELEPHONE LABOR INC
1788560January 13, 1931Wave generating and modulating systemSTEPHEN BLACK HAROLDBELL TELEPHONE LABOR INC
1788556January 13, 1931Ventilating deviceWOOD ERNEST B. ; ELIASON OSCAR C.BELL TELEPHONE LABORATORIES, INCORPORATED
1788538January 13, 1931Filtering circuitsNORTON EDWARD LBELL TELEPHONE LABOR INC
1788534January 13, 1931Acoustic phase-shifting deviceMASON WARREN PBELL TELEPHONE LABOR INC
1788533January 13, 1931Frequency-control systemMARRISON WARREN ABELL TELEPHONE LABOR INC
1788532January 13, 1931Electron-tube circuitLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1788528January 13, 1931Telephone systemKOECHLING CHARLES DBELL TELEPHONE LABOR INC
1788526January 13, 1931Artificial lineJOHNSON KENNETH SBELL TELEPHONE LABOR INC
1788521January 13, 1931Short-wave amplifying systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1788513January 13, 1931Signal and control systemFULTZ MILES EBELL TELEPHONE LABOR INC
1788487January 13, 1931Vibration transmission systemHARRISON HENRY CBELL TELEPHONE LABOR INC
1793254February 17, 1931LockSHANN OSCAR ABELL TELEPHONE LABOR INC
1792655February 17, 1931Sound reproducerNORTON EDWARD LBELL TELEPHONE LABOR INC
1792650February 17, 1931Regulator systemMANDERFELD EMANUEL CBELL TELEPHONE LABOR INC
1792637February 17, 1931Vibration-transmission systemHARRISON HENRY CBELL TELEPHONE LABOR INC
1792630February 17, 1931Frequency-setting forkCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1792552February 17, 1931Method of forming contactsSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1792538February 17, 1931Telephone systemHERSEY RALPH EBELL TELEPHONE LABOR INC
1792536February 17, 1931Sound radiatorHARRISON HENRY CBELL TELEPHONE LABOR INC
1792512February 17, 1931Electromagnetic deviceSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1792497February 17, 1931Vibration-damping deviceKELLER ARTHUR C ; NORTON EDWARD LBELL TELEPHONE LABOR INC
1792496February 17, 1931Switching deviceHINSHAW FOSTER ABELL TELEPHONE LABOR INC
1792494February 17, 1931Phonographic needleHARRISON HENRY C ; ANDERSON HARVEY ABELL TELEPHONE LAB INCORPROATE
1792483February 17, 1931Magnetic materialELMEN GUSTAF WBELL TELEPHONE LABOR INC
1792479February 17, 1931Alarm systemBENNETT ARTHUR F ; MITCHELL CLIFFORD EBELL TELEPHONE LABOR INC
1793835February 24, 1931Electrical testingEDMOND BRUCEBELL TELEPHONE LABOR INC
1793491February 24, 1931Current-limiting deviceJONES THEODORE A ; PHELPS WALTER ABELL TELEPHONE LABOR INC
1795924March 10, 1931Relay circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1795914March 10, 1931Amplifying systemHORACE WHITTLE ; CHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1795874March 10, 1931Impedance elementMASON WARREN PBELL TELEPHONE LABOR INC
1795834March 10, 1931Testing systemORFEO CESAREOBELL TELEPHONE LABOR INC
1795813March 10, 1931Telephone systemWILEY WHITNEYBELL TELEPHONE LABOR INC
1795656March 10, 1931Service-observing systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
1795652March 10, 1931Telegraph systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
1795648March 10, 1931High-frequency-oscillation generatorFRILS HARALD T.BELL TELEPHONE LABORATORIES, INCORPORATED
1795647March 10, 1931Method and apparatus for measuring acoustical impedancesFLANDERS PAUL BBELL TELEPHONE LABOR INC
1795640March 10, 1931Telephone-exchange systemCOLLIS RAYMOND EBELL TELEPHONE LABOR INC
1795499March 10, 1931Magnetic deviceMILLER DANIEL D ; PRATT EDWARD JBELL TELEPHONE LABOR INC
1795498March 10, 1931Electromagnetic deviceMATHISON DAVID WBELL TELEPHONE LABOR INC
1795479March 10, 1931Wave-transmission systemDICKIESON ALTON CBELL TELEPHONE LABOR INC
1795474March 10, 1931Nonsinging amplifierCECCARINI OLINDO OBELL TELEPHONE LABOR INC
1795439March 10, 1931Magnetic devicePRATT EDWARD JBELL TELEPHONE LABOR INC
1796965March 17, 1931Method of and means for signalingRYAN FRANCIS MBELL TELEPHONE LABOR INC
1796931March 17, 1931Electrooptical transmissionIVES HERBERT EBELL TELEPHONE LABOR INC
1798243March 31, 1931Electrical transmission systemHORACE WHITTLE ; HILTON LINWOOD BBELL TELEPHONE LABOR INC
1799811April 7, 1931Signaling systemGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1799810April 7, 1931Transmission circuitsFRY THORNTON CBELL TELEPHONE LABOR INC
1799800April 7, 1931Adjustable inductance coilLANE CLARENCE EBELL TELEPHONE LABOR INC
1799799April 7, 1931Sound reproducerJONES WARREN CBELL TELEPHONE LABOR INC
1799796April 7, 1931Telephone-exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1799795April 7, 1931Sound recording and reproducingHORTON JOSEPH WBELL TELEPHONE LABOR INC
1799794April 7, 1931Artificial lineHORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1799686April 7, 1931Impulse transmitterGOFF HAROLD WBELL TELEPHONE LABOR INC
1799679April 7, 1931Telephone-exchange systemDUNHAM BERT G ; FAIRBAIRN RHYS ABELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
1799654April 7, 1931Telephone-exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1799653April 7, 1931Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1799651April 7, 1931Electrical switching apparatusSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1799627April 7, 1931Signal-interpolating systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1799223April 7, 1931Party-line message-register systemFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1799214April 7, 1931Submarine telegraph systemCLOKEY ALLISON ABELL TELEPHONE LABOR INC
1800394April 14, 1931Regulating deviceLUNSFORD ROBERT LBELL TELEPHONE LABOR INC
1800372April 14, 1931Frequency-translating circuitBLACK HAROLD SBELL TELEPHONE LABOR INC
1802118April 21, 1931Modulator and system of modulationLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1802605April 28, 1931Method and machine for insulating cablesKEMP ARCHIE RBELL TELEPHONE LABOR INC
1804178May 5, 1931Regulator systemMORTON EDMUND RBELL TELEPHONE LABOR INC
1804169May 5, 1931Telephone exchange systemKNOWLTON ALFRED D ; EVERETT SAMUEL HBELL TELEPHONE LABOR INC
1804150May 5, 1931Telephone exchange systemCOLLIS RAYMOND EBELL TELEPHONE LABOR INC
1804140May 5, 1931Clamping deviceBARRY JOSEPH FBELL TELEPHONE LABOR INC
1804127May 5, 1931Speech transmission systemSTRYKER NORMAN RBELL TELEPHONE LABOR INC
1804126May 5, 1931Regulator systemSTOLLER HUGH MBELL TELEPHONE LABOR INC
1804087May 5, 1931Wave amplifying systemEDMOND BRUCE ; FRIIS HARALD TBELL TELEPHONE LABOR INC
1803700May 5, 1931Electrooptical systemFRANK GRAYBELL TELEPHONE LABOR INC
1805229May 12, 1931Variable electrical apparatusATWOOD GEORGE FBELL TELEPHONE LABOR INC
1804952May 12, 1931Wave signaling systemRETTENMEYER FRANCIS XBELL TELEPHONE LABOR INC
1804809May 12, 1931Vacuum cleaner apparatusPRITCHARD WILLIAM TBELL TELEPHONE LABOR INC
1804786May 12, 1931Telephone testing systemWALTER KUHNBELL TELEPHONE LABOR INC
1804778May 12, 1931Telephone systemJOHNSON LEWIS H ; STOKELY RAY LBELL TELEPHONE LABOR INC
1804767May 12, 1931Telephone systemHAGUE ALFRED EBELL TELEPHONE LABOR INC
1804766May 12, 1931Telephone systemHAGUE ALFRED EBELL TELEPHONE LABOR INC
1804759May 12, 1931Acoustic deviceFLANDERS PAUL BBELL TELEPHONE LABOR INC
1804746May 12, 1931High speed relayCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1804688May 12, 1931Acoustic deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
1804675May 12, 1931Signaling systemCLAUSEN HENRY PBELL TELEPHONE LABOR INC
1804409May 12, 1931Telephone exchange systemFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1804408May 12, 1931Telephone exchange systemFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1808577June 2, 1931Automatic telephone exchange systemSCUDDER FREDERICK JBELL TELEPHONE LABOR INC
1808540June 2, 1931Signaling systemGILBERT JOHN JBELL TELEPHONE LABOR INC
1808538June 2, 1931Transmission regulationGABRIEL JOHN C ; HUBBARD FRANK ABELL TELEPHONE LABOR INC
1808527June 2, 1931Automatic telephone exchange systemCARPENTER WARREN WBELL TELEPHONE LABOR INC
1808520June 2, 1931Insulated conductorBROBST DAVID RBELL TELEPHONE LABOR INC
1808137June 2, 1931Electrooptical systemHARTLEY RALPH V LBELL TELEPHONE LABOR INC
1809684June 9, 1931Sound recording and reproducing instrumentFLANDERS PAUL BBELL TELEPHONE LABOR INC
1809125June 9, 1931Telephone set mountingHOYT FREDERICK ABELL TELEPHONE LABOR INC
1809124June 9, 1931Telephone exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1809095June 9, 1931Process of coating thermionic cathodesWILSON JAMES R ; BLACKBURN CHARLES MBELL TELEPHONE LABOR INC
1809043June 9, 1931Printing telegraph systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1809042June 9, 1931Magnet coreKELSALL GEORGE ABELL TELEPHONE LABOR INC
1809039June 9, 1931Telephone exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1809025June 9, 1931Electrical deviceCRUSER VICTOR IBELL TELEPHONE LABOR INC
1808923June 9, 1931Synchronizing systemHORTON JOSEPH WBELL TELEPHONE LABOR INC
1808915June 9, 1931Repeater circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1808902June 9, 1931Telephone plugMUELLER EMIL CBELL TELEPHONE LABOR INC
1810025June 16, 1931Transmission systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1810024June 16, 1931Relay circuitMATHES ROBERT CBELL TELEPHONE LABOR INC
1810016June 16, 1931Voice operated relay circuitsHOGG JOHN LBELL TELEPHONE LABOR INC
1810015June 16, 1931Transmission systemHOGG JOHN LBELL TELEPHONE LABOR INC
1810004June 16, 1931Voice operated relay circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1809887June 16, 1931AdapterHOWARD BROADWELLBELL TELEPHONE LABOR INC
1809879June 16, 1931Circuits for electromagnetic devicesHORACE WHITTLEBELL TELEPHONE LABOR INC
1809841June 16, 1931Impulse transmitterGOFF HAROLD W ; FORSBERG OSCAR FBELL TELEPHONE LABOR INC
1809832June 16, 1931Synchronous driving systemCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1809828June 16, 1931Telephone transmissionBUCKLEY OLIVER E ; HARTLEY RALPH V LBELL TELEPHONE LABOR INC
1811369June 23, 1931Guard for guys and the likeST JOHN EVERETTBELL TELEPHONE LABOR INC
1812828June 30, 1931Switch or commutating meansFRANK GRAYBELL TELEPHONE LABOR INC
1812635June 30, 1931Signaling systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1812634June 30, 1931Sound reproducerJONES WARREN CBELL TELEPHONE LABOR INC
1812630June 30, 1931Cable armoringGILBERT JOHN JBELL TELEPHONE LABOR INC
1812625June 30, 1931Signal monitoring deviceCURTIS AUSTEN M.BELL TELEPHONE LABORATORIES, INCORPORATED
1812624June 30, 1931Telephone and telegraph signaling systemCUMMINGS GEORGE CBELL TELEPHONE LABOR INC
1812619June 30, 1931Sound reproductionBLATTNER DAVID GBELL TELEPHONE LABOR INC
1812405June 30, 1931Electrooptical transmission systemIVES HERBERT EBELL TELEPHONE LABOR INC
1812402June 30, 1931Electrooptical transmission systemFRANK GRAYBELL TELEPHONE LABOR INC
1811963June 30, 1931Apparatus for reducing crosstalk currentsEUGENE PETERSONBELL TELEPHONE LABOR INC
1811947June 30, 1931Noise suppressing circuitLEGG VICTOR EBELL TELEPHONE LABOR INC
1811941June 30, 1931Apparatus for reducing disturbing currentsKEITH CLYDE RBELL TELEPHONE LABOR INC
1811860June 30, 1931Regulator systemMORTON EDMUND RBELL TELEPHONE LABOR INC
1811858June 30, 1931Control system for transmission of signalsMILLER OHMER RBELL TELEPHONE LABOR INC
1811844June 30, 1931Automatic telephone exchange systemDIXON AMOS FBELL TELEPHONE LABOR INC
1811841June 30, 1931Sound reproducing systemBENJAMIN JOHN CBELL TELEPHONE LABOR INC
1811839June 30, 1931Sound transmissionARNOLD HAROLD DBELL TELEPHONE LABOR INC
1813143July 7, 1931Aerial systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1812964July 7, 1931Calling dialLABAUGH JAMES M ; MILLER VICTOR FAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1814269July 14, 1931Portable talking motion picture projectorTERRY ROY VBELL TELEPHONE LABOR INC
1814248July 14, 1931Telephone systemGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1814238July 14, 1931Wave filterBODE HENDRIK WBELL TELEPHONE LABOR INC
1813969July 14, 1931Method and apparatus for measuring small time intervalsSMITH EDMUND BBELL TELEPHONE LABOR INC
1813942July 14, 1931Frequency indicatorMALLES RALPH EBELL TELEPHONE LABOR INC
1813933July 14, 1931Wire supportKLEIN CHARLES HBELL TELEPHONE LABOR INC
1813923July 14, 1931Radio receiving systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1813913July 14, 1931Rotary distributorCLOKEY ALLISON A ; KNOOP WILLIAM ABELL TELEPHONE LABOR INC
1815246July 21, 1931Radio direction finderENGLUND CARL RBELL TELEPHONE LABOR INC
1815212July 21, 1931Terminal connecterOGG ROBERT ABELL TELEPHONE LABOR INC
1815203July 21, 1931Image producing systemIVES HERBERT EBELL TELEPHONE LABOR INC
1816634July 28, 1931Telephone exchange systemCARPENTER WARREN W ; DAHL JACK F ; DAVIS RICHARD C ; KITTREDGE LINUS EBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
1816621July 28, 1931Testing systemSTACY LELAND JBELL TELEPHONE LABOR INC
1816613July 28, 1931Telephone systemPOWELL ALBERT CBELL TELEPHONE LABOR INC
1816601July 28, 1931Electron discharge deviceMCNEILL GEORGE ABELL TELEPHONE LABOR INC
1816599July 28, 1931Signal transmission systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1816570July 28, 1931Testing systemDRAPER JOHN BBELL TELEPHONE LABOR INC
1816558July 28, 1931Electromagnetic deviceZUPA FRANK ABELL TELEPHONE LABOR INC
1817024August 4, 1931Retractile deviceVOOS FREDERICK ABELL TELEPHONE LABOR INC
1816917August 4, 1931Apparatus for the measurement of acoustic impedanceSMYTHE EDWIN H ; FLANDERS PAUL BBELL TELEPHONE LABOR INC
1816913August 4, 1931Protective circuit for vacuum tubesSCHELLENG JOHN CBELL TELEPHONE LABOR INC
1816906August 4, 1931Electromagnetic deviceJONES WARREN CBELL TELEPHONE LABOR INC
1816905August 4, 1931Communication systemHORTON JOSEPH WBELL TELEPHONE LABOR INC
1816887August 4, 1931Automatic article selecting and distributing systemADAMS EDGAR WBELL TELEPHONE LABOR INC
1816862August 4, 1931Amplifying systemMILLER ROBERT ABELL TELEPHONE LABOR INC
1816846August 4, 1931Electrical connecterHARVEY WILLIAM HBELL TELEPHONE LABOR INC
1818568August 11, 1931Coin collection apparatusMELICK JOHN M.BELL TELEPHONE LABORATORIES, INCORPORATED
1818463August 11, 1931Zero correcting circuitCURTIS AUSTEN M ; BURTON EVERETT TBELL TELEPHONE LABOR INC
1818156August 11, 1931Designation stripO'NEILL HENRY WBELL TELEPHONE LABOR INC
1818099August 11, 1931Drive ringRAPELJE JOHN ABELL TELEPHONE LABOR INC
1818070August 11, 1931Magnetic bodyLATHROP HUBBELBELL TELEPHONE LABORATORIES, INCORPORATED
1818064August 11, 1931Telephone systemJOHNSON HERBERT B ; VON NOSTITZ ERICHBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
1818018August 11, 1931Control circuitSTOCKER CLOSMAN PBELL TELEPHONE LABOR INC
1819675August 18, 1931SwitchCHAPLIN MERLE PBELL TELEPHONE LABOR INC
1819649August 18, 1931Wave transmission systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1819648August 18, 1931Wave transmission systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1819629August 18, 1931Vacuum tube circuitsWHITING DONALD FBELL TELEPHONE LABOR INC
1819614August 18, 1931Wave transmission systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1821586September 1, 1931Acoustic deviceSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1821076September 1, 1931Amplifying systemEUGENE PETERSONBELL TELEPHONE LABOR INC
1822535September 8, 1931Mounting for vacuum tubesLUM GEORGE RBELL TELEPHONE LABOR INC
1823739September 15, 1931System operating on a marginal current basisHORTON JOSEPH WBELL TELEPHONE LABOR INC
1823688September 15, 1931Telephone exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1823679September 15, 1931Call charging telephone exchange systemBUSCH ALOYSIUS JBELL TELEPHONE LABOR INC
1823678September 15, 1931Cabinet for portable testing apparatusBOWMAN HERMAN NBELL TELEPHONE LABOR INC
1823667September 15, 1931Trunking systemPOWELL ALBERT CBELL TELEPHONE LABOR INC
1823664September 15, 1931Circuit maker and breakerPASCARELLA ANTHONY JBELL TELEPHONE LABOR INC
1823659September 15, 1931Wave transmission systemMILLER ROBERT ABELL TELEPHONE LABOR INC
1823354September 15, 1931High speed submarine cable telegraph systemDOWD ANDREW D ; KERR MARK B ; LOCKE GEORGE ABELL TELEPHONE LABOR INC
1823323September 15, 1931Desk telephone setHOPKINS IRVING LBELL TELEPHONE LABOR INC
1823120September 15, 1931Signaling and communication systemO'NEILL HENRY W.BELL TELEPHONE LABORATORIES, INCORPORATED
1823091September 15, 1931Indicating and recording systemDAHL JACK F ; DAVIS RICHARD CBELL TELEPHONE LABOR INC
1823088September 15, 1931Submarine cable repeating systemCLOKEY ALLISON A ; BURTON EVERETT TBELL TELEPHONE LABOR INC
1823085September 15, 1931Show caseCAMPBELL THADDEUS CBELL TELEPHONE LABOR INC
1823040September 15, 1931Call charging telephone exchange systemHAGUE ALFRED EBELL TELEPHONE LABOR INC
1827297October 13, 1931Method of joining wires by means of sleevesMOORE CHARLES RBELL TELEPHONE LABOR INC
1827196October 13, 1931Piezo electric oscillatorHEISING RAYMOND ABELL TELEPHONE LABOR INC
1827191October 13, 1931Shielded inductanceCASPER WILLIAM LBELL TELEPHONE LABOR INC
1828507October 20, 1931Circuit controlling deviceMURPHY PAUL BBELL TELEPHONE LABOR INC
1828503October 20, 1931Means for reducing interference in electrical circuitsKAREL LUTOMIRSKIBELL TELEPHONE LABOR INC
1828498October 20, 1931Oscillation circuitsHEISING RAYMOND ABELL TELEPHONE LABOR INC
1828455October 20, 1931Telephone switchboardCHARLES BORGMANNBELL TELEPHONE LABOR INC
1828454October 20, 1931Transmission networkBODE HENDRIK WBELL TELEPHONE LABOR INC
1830240November 3, 1931Electric wave limiting deviceEUGENE PETERSONBELL TELEPHONE LABOR INC
1830226November 3, 1931Transoceanic cable circuitDUDLEY HOMER WBELL TELEPHONE LABOR INC
1830220November 3, 1931Transmission controlBJORNSON BJORN G.BELL TELEPHONE LABORATORIES, INCORPORATED
1830219November 3, 1931Transmission controlBJORNSON BJORN GBELL TELEPHONE LABOR INC
1830173November 3, 1931Radio television systemNELSON EDWARD LBELL TELEPHONE LABOR INC
1830163November 3, 1931Glow discharge lampFRANK GRAYBELL TELEPHONE LABOR INC
1829992November 3, 1931Rubber compositionKEMP ARCHIE RBELL TELEPHONE LABOR INC
1829806November 3, 1931Transmission controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1829805November 3, 1931Transmission controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1829803November 3, 1931Telephone systemKORN FRANKLIN A ; ENTZ FERDINAND SBELL TELEPHONE LABOR INC
1829801November 3, 1931Sound reproducing systemJONES WARREN CBELL TELEPHONE LABOR INC
1829783November 3, 1931Method and system of secret signalingCHESNUT ROY W ; FISHER HAROLD J ; SANIAL ARTHUR JBELL TELEPHONE LABOR INC
1831400November 10, 1931Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1831398November 10, 1931Telephone systemSPENCER CHARLES G ; HALL JOHN ABELL TELEPHONE LABOR INC
1831391November 10, 1931Telephone desk setPERREAULT GEORGE EBELL TELEPHONE LABOR INC
1831385November 10, 1931Telephone systemHAGUE ALFRED EBELL TELEPHONE LABOR INC
1831380November 10, 1931Telephone systemCURLEY THOMAS VBELL TELEPHONE LABOR INC
1831377November 10, 1931Telephone receiverNELSON BLOUNTBELL TELEPHONE LABOR INC
1831375November 10, 1931Electrical tuning deviceADAMS JR WILLIAM JBELL TELEPHONE LABOR INC
1832466November 17, 1931Resistance unitMEANS WINTHROP JBELL TELEPHONE LABOR INC
1832455November 17, 1931Submarine signaling conductorGILBERT JOHN JBELL TELEPHONE LABOR INC
1832453November 17, 1931Telephone metering systemFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1832447November 17, 1931Telephone systemCARPENTER WARREN WBELL TELEPHONE LABOR INC
1832431November 17, 1931Electric wave transmission systemSIVIAN LEON JBELL TELEPHONE LABOR INC
1832366November 17, 1931Electrical communication systemDUDLEY HOMER WBELL TELEPHONE LABOR INC
1832309November 17, 1931Synchronous telegraph systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1832308November 17, 1931Interpolating systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1832306November 17, 1931Semiautomatic telephone systemKILLE LINDLEY ABELL TELEPHONE LABOR INC
1832294November 17, 1931SensitometerGENT EDGAR WBELL TELEPHONE LABOR INC
1832293November 17, 1931Protective deviceFRIEDL JR GEORGE ; ANTONIO GASTONGUAYELECTRICAL RES PROD INC
BELL TELEPHONE LABOR INC
1832292November 17, 1931Electrical circuitsFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1832285November 17, 1931Mechanical couplingELMER LLOYD ABELL TELEPHONE LABOR INC
1832263November 17, 1931Telephone systemSTRICKLER WALTER B.BELL TELEPHONE LABORATORIES, INCORPORATED
1832261November 17, 1931Non-singing amplifierSTEVENSON GEORGE HBELL TELEPHONE LABOR INC
1832901November 24, 1931Measurement of mechanical impedanceHARRISON HENRY CBELL TELEPHONE LABOR INC
1832886November 24, 1931Current supply circuitsWHITING DONALD FBELL TELEPHONE LABOR INC
1834393December 1, 1931Telephone exchange systemFOWLER CLARENCE BBELL TELEPHONE LABOR INC
1835802December 8, 1931Signaling systemJOHN MESZARBELL TELEPHONE LABOR INC
1835795December 8, 1931Sound transmissionMASON WARREN PBELL TELEPHONE LABOR INC
1835792December 8, 1931HeadsetLUM GEORGE RBELL TELEPHONE LABOR INC
1835788December 8, 1931Electrical contact elementKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1835771December 8, 1931Submarine signaling cableGILBERT JOHN JBELL TELEPHONE LABOR INC
1835757December 8, 1931Connecting deviceBURCHETT GEORGE WBELL TELEPHONE LABOR INC
1835743December 8, 1931Sound picture systemASTER ALVIN KBELL TELEPHONE LABOR INC
1835737December 8, 1931Electrical recorderWILLIAMS SAMUEL BBELL TELEPHONE LABOR INC
1836844December 15, 1931Distortion correction in transmission systemsFRY THORNTON C ; STRUIK DIRK JBELL TELEPHONE LABOR INC
1836841December 15, 1931Electric wave signaling systemDUDLEY HOMER WBELL TELEPHONE LABOR INC
1836829December 15, 1931Electric discharge deviceWEINHART HOWARD WBELL TELEPHONE LABOR INC
1836824December 15, 1931Wave transmission with narrowed bandsSTEINBERG JOHN CBELL TELEPHONE LABOR INC
1836816December 15, 1931Artificial larynxRIESZ ROBERT RBELL TELEPHONE LABOR INC
1836810December 15, 1931Distortion correction in transmission systemsPERRY MASON WARRENBELL TELEPHONE LABOR INC
1836809December 15, 1931Distortion correction in transmission systemsMASON WARREN PBELL TELEPHONE LABOR INC
1836804December 15, 1931Carrier repeating systemKAHL WILLIAM EBELL TELEPHONE LABOR INC
1836594December 15, 1931Radio signaling systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1836582December 15, 1931Telephone exchange systemDUNHAM BERT GBELL TELEPHONE LABOR INC
1836574December 15, 1931Signal shaping amplifierBURTON EVERETT TBELL TELEPHONE LABOR INC
1836569December 15, 1931Electric translating deviceBENJAMIN JOHN CBELL TELEPHONE LABOR INC
1836558December 15, 1931Light valveSHERMAN RUSSEL JBELL TELEPHONE LABOR INC
1836549December 15, 1931Telephone exchange systemPAINE ROBERT CBELL TELEPHONE LABOR INC
1838027December 22, 1931Electrodynamic deviceCLARKE HARRY RBELL TELEPHONE LABOR INC
1837448December 22, 1931Signaling systemKROM MYRON EBELL TELEPHONE LABOR INC
1837413December 22, 1931Inductive coupling deviceDOBSON ELLSWORTH SBELL TELEPHONE LABOR INC
1837385December 22, 1931Sound radiatorWEGEL RAYMOND LBELL TELEPHONE LABOR INC
1837373December 22, 1931Glass working machineRONCI VICTOR LBELL TELEPHONE LABOR INC
1837365December 22, 1931Light sensitive deviceIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
1837364December 22, 1931Signaling apparatusIVES HERBERT EBELL TELEPHONE LABOR INC
1837355December 22, 1931Electrodeposition of alloysBURNS ROBERT M ; WARNER CLARENCE WBELL TELEPHONE LABOR INC
1837238December 22, 1931Method of making electrical switch contactsSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1837237December 22, 1931Telegraph apparatusSHANGLE AMOS HBELL TELEPHONE LABOR INC
1837229December 22, 1931Distortion correction in transmission systemsMASON WARREN P.BELL TELEPHONE LABORATORIES, INCORPORATED
1837217December 22, 1931Telephone card holderHAYWARD JOHN MBELL TELEPHONE LABOR INC
1837206December 22, 1931Call charging telephone exchange systemCOLLIS RAYMOND EBELL TELEPHONE LABOR INC
1837202December 22, 1931Circuit breakerBURTON EVERETT TBELL TELEPHONE LABOR INC
1840144January 5, 1932Coin collectorWHEELER CLYDE HBELL TELEPHONE LABOR INC
1840132January 5, 1932Telephone systemROBERTS THOMAS HBELL TELEPHONE LABOR INC
1840116January 5, 1932Switch cleaning deviceGRANT LINTON ; TOWNSEND JOHN RBELL TELEPHONE LABOR INC
1840112January 5, 1932Artificial larynxLANE CLARENCE EBELL TELEPHONE LABOR INC
1840109January 5, 1932Telephone systemKOECHLING CHARLES DBELL TELEPHONE LABOR INC
1840097January 5, 1932Impulse circuitHINRICHSEN EDWARD EBELL TELEPHONE LABOR INC
1840090January 5, 1932Impulse circuitGOODRUM CHARLES L.BELL TELEPHONE LABORATORIES, INCORPORATED
1840015January 5, 1932Transmission control circuitBJORNSON BJORN GBELL TELEPHONE LABOR INC
1841197January 12, 1932Telephone alarm systemMASSONNEAU ROBERT F ; ROBERTS THOMAS HBELL TELEPHONE LABOR INC
1841142January 12, 1932Wave communication systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1841125January 12, 1932Coin collection apparatusHOYT FREDERICK ABELL TELEPHONE LABOR INC
1841123January 12, 1932Telephone exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1841120January 12, 1932Slow acting relayHIBBARD FRANK HBELL TELEPHONE LABOR INC
1841101January 12, 1932Loud speakerFLANDERS PAUL B ; HARRISON HENRY CBELL TELEPHONE LABOR INC
1841097January 12, 1932Heat treatment of conductorsELMEN GUSTAF WBELL TELEPHONE LABOR INC
1841093January 12, 1932Call distributing systemDAHL JACK FBELL TELEPHONE LABOR INC
1841088January 12, 1932Electrical testing system and methodCHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1841085January 12, 1932Unidirectional antenna systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1841084January 12, 1932Telephone systemBRAGG HERBERT EBELL TELEPHONE LABOR INC
1840580January 12, 1932Crystal-controlled oscillatorHEISING RAYMOND ABELL TELEPHONE LABOR INC
1840376January 12, 1932Telephone systemWILEY WHITNEYBELL TELEPHONE LABOR INC
1840368January 12, 1932Telephone exchange systemPORTER LESLIE FBELL TELEPHONE LABOR INC
1840364January 12, 1932Telephone dial systemIRVINE FRANK SBELL TELEPHONE LABOR INC
1840357January 12, 1932Panel dial switching systemGOODRUM CHARLES LBELL TELEPHONE LABOR INC
1840356January 12, 1932Automatic telephone exchange systemGOODRUM CHARLES LBELL TELEPHONE LABOR INC
1840352January 12, 1932Process of producing magnetic bodiesELMEN GUSTAF WBELL TELEPHONE LABOR INC
1840350January 12, 1932Radiofrequency amplifierCECCARINI OLINDO OBELL TELEPHONE LABOR INC
1841504January 19, 1932Circuit for electric discharge devicesSTOLLER HUGH MBELL TELEPHONE LABOR INC
1841489January 19, 1932Oscillation generatorMARRISON WARREN ABELL TELEPHONE LABOR INC
1841486January 19, 1932Composite metallic strandLEGG VICTOR E.BELL TELEPHONE LABORATORIES, INCORPORATED
1841472January 19, 1932Inductance deviceGIVEN FREDERICK JBELL TELEPHONE LABOR INC
1841405January 19, 1932Transmission control circuitsDUDLEY HOMER WBELL TELEPHONE LABOR INC
1841394January 19, 1932Circuit for space discharge devicesBACHELET ALBERT EBELL TELEPHONE LABOR INC
1844424February 9, 1932Long distance telephone transmissionHORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1844423February 9, 1932Attenuation and volume controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1844422February 9, 1932Cable telephonyMATHES ROBERT C ; HORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1844147February 9, 1932Automatic and semiautomatic telephone systemCLARK EDGAR HBELL TELEPHONE LABOR INC
1844123February 9, 1932Acoustic diaphragmHOLLAND NEWMAN HBELL TELEPHONE LABOR INC
1844121February 9, 1932Electromagnetic switching deviceHIBBARD FRANK HBELL TELEPHONE LABOR INC
1844114February 9, 1932Manufacture of continuously loaded conductorsBISHOP WALTER MBELL TELEPHONE LABOR INC
1844111February 9, 1932Telephone exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1844110February 9, 1932Determination of telephone qualitySTEINBERG JOHN CBELL TELEPHONE LABOR INC
1844108February 9, 1932Method of manufacturing acoustic impedance elementsSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1843910February 9, 1932Tuning forkHOWARD BROADWELLBELL TELEPHONE LABOR INC
1845080February 16, 1932Studio for acoustic purposesEYRING CARL F ; HANSON ROBERT L ; MACNAIR WALTER ABELL TELEPHONE LABOR INC
1845077February 16, 1932Drawing toolDIXON JOHN B ; HAYFORD WALTER SBELL TELEPHONE LABOR INC
1845075February 16, 1932Insulation for electrical conductorsBOVING HENRIKBELL TELEPHONE LABORATORIES, INCORPORATED
1845042February 16, 1932Electron discharge deviceBURNS ROBERT MBELL TELEPHONE LABOR INC
1845041February 16, 1932Insulated electric conductorHENRIK BOVINGBELL TELEPHONE LABOR INC
1845033February 16, 1932Switching mechanismEWALD BAUSCHBELL TELEPHONE LABOR INC
1844973February 16, 1932Radio communication systemPORTS EARL GBELL TELEPHONE LABOR INC
1846883February 23, 1932Synchronous signaling systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
1847702March 1, 1932Sound translating deviceTHURAS ALBERT L.BELL TELEPHONE LABORATORIES, INCORPORATED
1847213March 1, 1932Selector switchFOLKNER GEORGE WBELL TELEPHONE LABOR INC
1847191March 1, 1932Control systemMORTON EDMUND R.BELL TELEPHONE LABORATORIES, INCORPORATED
1847174March 1, 1932Communication systemDIXON AMOS FBELL TELEPHONE LABOR INC
1847145March 1, 1932Amplifier systemTARR JAMES EBELL TELEPHONE LABOR INC
1847137March 1, 1932Communication systemROBERTS JOHN GBELL TELEPHONE LABOR INC
1847113March 1, 1932Communication systemLEO KELLERBELL TELEPHONE LABOR INC
1847089March 1, 1932Radio receiving systemHEISING RAYMOND A ; FARRINGTON JOHN FBELL TELEPHONE LABOR INC
1847086March 1, 1932Fluid operated switchGARGAN JOHN OBELL TELEPHONE LABOR INC
1848364March 8, 1932Treating magnetic materialsLEGG VICTOR EBELL TELEPHONE LABOR INC
1848212March 8, 1932Apparatus for producing artificial breathingWATERMAN JOHN S.BELL TELEPHONE LABORATORIES, INCORPORATED
1848187March 8, 1932Vacuum tube amplifierMCNALLY JAMES OBELL TELEPHONE LABOR INC
1848181March 8, 1932Synchronous signaling systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1848180March 8, 1932Synchronizing systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1848174March 8, 1932Trouble recording systemIRVINE FRANK S ; ROBERTS THOMAS HBELL TELEPHONE LABOR INC
1848169March 8, 1932Adjustable inductanceGREENIDGE RALPH M CBELL TELEPHONE LABOR INC
1848143March 8, 1932Motion picture apparatusHARRY PFANNENSTIEHLBELL TELEPHONE LABOR INC
1848134March 8, 1932Electrical testing systemLAMBERT KENNETH BBELL TELEPHONE LABOR INC
1849662March 15, 1932Telephone exchange systemDUNHAM BERT GBELL TELEPHONE LABOR INC
1849656March 15, 1932Transmission networkBENNETT WILLIAM RBELL TELEPHONE LABOR INC
1849646March 15, 1932Motor control systemSTOLLER HUGH MBELL TELEPHONE LABOR INC
1849645March 15, 1932Motor structureSTOLLER HUGH MBELL TELEPHONE LABOR INC
1849643March 15, 1932Electric contact deviceSEASONGOOD CHARLES C ; MCWILLIAMS CHARLES WBELL TELEPHONE LABOR INC
1849088March 15, 1932Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1849087March 15, 1932Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1850608March 22, 1932Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1850603March 22, 1932Telephone systemQUASS RALPH LBELL TELEPHONE LABOR INC
1850593March 22, 1932Transmission controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1850579March 22, 1932Adjustable inductance coilCASPER WILLIAM LBELL TELEPHONE LABOR INC
1851185March 29, 1932Telephone systemJOHNSON LEWIS HBELL TELEPHONE LABOR INC
1851173March 29, 1932Method of and apparatus for gauging articlesGILLESPIE HALL ARTHURBELL TELEPHONE LABOR INC
1851139March 29, 1932Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1852795April 5, 1932Wave transmission deviceWEGEL RAYMOND LBELL TELEPHONE LABOR INC
1852777April 5, 1932Cooling systemHOERNEL PAUL C ; SMITH JOHN WBELL TELEPHONE LABOR INC
1852774April 5, 1932Translating deviceGENT EDGAR W ; POTTS LOUIS MBELL TELEPHONE LABOR INC
1852773April 5, 1932Electromagnetic signaling deviceGENT EDGAR WBELL TELEPHONE LABOR INC
1852756April 5, 1932Lubricating devicePRITCHARD WILLIAM TBELL TELEPHONE LABOR INC
1852753April 5, 1932Telegraph signal distributing deviceKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1852747April 5, 1932Trunk circuit for telephone exchange systemsHAGUE ALFRED EBELL TELEPHONE LABOR INC
1852746April 5, 1932Telephone systemGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1852743April 5, 1932Motion picture apparatusELMER LLOYD ABELL TELEPHONE LABOR INC
1852647April 5, 1932Telephone systemGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1852605April 5, 1932Inductance deviceCARLTON ROGER C. ; TINUS WILLIAM C. ; VADERSEN HERBERTBELL TELEPHONE LABORATORIES, INCORPORATED
1852584April 5, 1932Transmission controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1852162April 5, 1932Refining of copperHARRIS JAMES E ; WHITE JOHN HBELL TELEPHONE LABOR INC
1853974April 12, 1932Transmission systemHOGG JOHN L ; STEPHEN DOBABELL TELEPHONE LABOR INC
1853969April 12, 1932Circuits for coupling lines of different impedancesGANZ ALBERT GBELL TELEPHONE LABOR INC
1853955April 12, 1932Acoustic deviceBLATTNER DAVID GBELL TELEPHONE LABOR INC
1853929April 12, 1932Electric wave filterRETTENMEYER FRANCIS X.BELL TELEPHONE LABORATORIES, INCORPORATED
1853924April 12, 1932Process for insulating magnetic bodiesOWENS CONRAD DBELL TELEPHONE LABOR INC
1853912April 12, 1932Studio for acoustic purposesMACNAIR WALTER ABELL TELEPHONE LABOR INC
1853022April 12, 1932Automatic dialing circuitsALLISON SEWELL W ; MCCULLAGH WILLIS IBELL TELEPHONE LABOR INC
1854832April 19, 1932SupportANTONIO GASTONGUAY ; GEORGE PULLERBELL TELEPHONE LABOR INC
1854830April 19, 1932Acoustic deviceFLANDERS PAUL BBELL TELEPHONE LABOR INC
1854828April 19, 1932Transmission systemSTEPHEN DOBABELL TELEPHONE LABOR INC
1854824April 19, 1932Toroidal coilBURGESS HARRY ABELL TELEPHONE LABOR INC
1854812April 19, 1932Telephone receiverSTEINBERG JOHN CBELL TELEPHONE LABOR INC
1854802April 19, 1932Telephone receiverARTHUR MEYERBELL TELEPHONE LABOR INC
1855616April 26, 1932Telephone systemSTEVENS WILLIAM EBELL TELEPHONE LABOR INC
1855602April 26, 1932Crimping toolSEBASTIAN KERNERBELL TELEPHONE LABOR INC
1855601April 26, 1932Impulse and wave transmission systemGORTON WILLIAM SBELL TELEPHONE LABOR INC
1855600April 26, 1932Sound translating deviceCLARKE HARRY RBELL TELEPHONE LABOR INC
1855598April 26, 1932Telephone exchange systemCARPENTER WARREN W ; COLLIS RAYMOND EBELL TELEPHONE LABOR INC
1855593April 26, 1932Telephone systemWILEY WHITNEYBELL TELEPHONE LABOR INC
1855578April 26, 1932Heat treatment of signaling conductorsLEGG VICTOR EBELL TELEPHONE LABOR INC
1855576April 26, 1932Frequency translating systemKEITH CLYDE RBELL TELEPHONE LABOR INC
1855571April 26, 1932Continuously loaded conductorWILLIAM FONDILLERBELL TELEPHONE LABOR INC
1856714May 3, 1932Printing telegraph radial switching systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
1856654May 3, 1932Terminating circuit for two-way signaling systemsNEBEL CHARLES NBELL TELEPHONE LABOR INC
1856373May 3, 1932Power amplifierBURTON EVERETT TBELL TELEPHONE LABOR INC
1858037May 10, 1932Zero correcting circuitBURTON EVERETT TBELL TELEPHONE LABOR INC
1857848May 10, 1932Communication systemHINRICHSEN EDWARD EBELL TELEPHONE LABOR INC
1857830May 10, 1932Transmission circuitHORACE WHITTLEBELL TELEPHONE LABOR INC
1857828May 10, 1932Circuit controlling deviceWAGAR HAROLD NBELL TELEPHONE LABOR INC
1857827May 10, 1932Telephone systemSTACY LELAND JBELL TELEPHONE LABOR INC
1857819May 10, 1932Radio telephone systemMERRIAM FRANCIS FBELL TELEPHONE LABOR INC
1857794May 10, 1932Wave energy translating diaphragm and method of mounting itSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1857201May 10, 1932Process for insulating magnetic bodiesHUBBEL LATHROPBELL TELEPHONE LABOR INC
1859030May 17, 1932Distortion correction in transmission systemsDUDLEY HOMER WBELL TELEPHONE LABOR INC
1859019May 17, 1932Voice-operated relay circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1858237May 17, 1932Submarine cable telegraph systemBURTON EVERETT TBELL TELEPHONE LABOR INC
1859941May 24, 1932Telephone exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1859930May 24, 1932Recording and reproduction of intelligenceMILLER OHMER RBELL TELEPHONE LABOR INC
1859929May 24, 1932Telephone systemBURTON MCKIM JAMESBELL TELEPHONE LABOR INC
1859924May 24, 1932Call charging telephone exchange systemJOHNSON LEWIS H ; GIBSON EARL SBELL TELEPHONE LABOR INC
1859910May 24, 1932Telephone systemBOWNE LANGFORD JBELL TELEPHONE LABOR INC
1859901May 24, 1932Extruding apparatusTREBES BRUNO M ABELL TELEPHONE LABOR INC
1859885May 24, 1932Telephone systemPAINE ROBERT CBELL TELEPHONE LABOR INC
1859565May 24, 1932Apparatus for reducing crosstalk currentsKEITH CLYDE RBELL TELEPHONE LABOR INC
1859470May 24, 1932Selector brushROAD RICHARD A ; REDMOND FREDERIC JBELL TELEPHONE LABOR INC
1859423May 24, 1932Sound recordingARNOLD HAROLD DBELL TELEPHONE LABOR INC
1861221May 31, 1932Reeling deviceMARTIN HAROLD T ; HOYT FREDERICK ABELL TELEPHONE LABOR INC
1861204May 31, 1932Electrical controller systemBERRIAN JOHN ABELL TELEPHONE LABOR INC
1861196May 31, 1932Telephone exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1860936May 31, 1932Electrical control systemMARRISON WARREN A ; HORTON JOSEPH WBELL TELEPHONE LABOR INC
1860935May 31, 1932Speed and position control for television apparatusMARRISON WARREN A ; HORTON JOSEPH WBELL TELEPHONE LABOR INC
1860556May 31, 1932RegulatorSOLE JOHN HBELL TELEPHONE LABOR INC
1860535May 31, 1932Impulse transmitterGOFF HAROLD WBELL TELEPHONE LABOR INC
1860515May 31, 1932Telephone exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1860503May 31, 1932Acoustic diaphragmHOLLAND NEWMAN HBELL TELEPHONE LABOR INC
1860500May 31, 1932ConductorGILBERT JOHN JBELL TELEPHONE LABOR INC
1863384June 14, 1932Lens tube adjusting applianceTERRY ROY VBELL TELEPHONE LABOR INC
1863322June 14, 1932Telephone pay stationBENNETT ARTHUR FBELL TELEPHONE LABOR INC
1863309June 14, 1932Motion picture projectorKITTS HOWARD LBELL TELEPHONE LABOR INC
1863308June 14, 1932ReceiverJONES WARREN CBELL TELEPHONE LABOR INC
1863307June 14, 1932Telephone exchange systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1863292June 14, 1932Telephone systemWILEY WHITNEYBELL TELEPHONE LABOR INC
1863141June 14, 1932Time of day announcing systemPRINCE WILLIAM BBELL TELEPHONE LABOR INC
1863139June 14, 1932Time of day announcing systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
1863137June 14, 1932Time of day announcing systemKECKLER CHARLES W ; HAGUE ALFRED EBELL TELEPHONE LABOR INC
1863089June 14, 1932Remote control systemFIELD JOSEPH CBELL TELEPHONE LABOR INC
1863086June 14, 1932Telephone systemCURLEY THOMAS VBELL TELEPHONE LABOR INC
1863073June 14, 1932Method and means for tensioning and for mounting diaphragmsSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1863072June 14, 1932Sound radiator and method of making the sameSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1863048June 14, 1932Method of joining wiresHAYFORD WALTER SBELL TELEPHONE LABOR INC
1862582June 14, 1932Acoustic deviceSCHLENKER VESPER ABELL TELEPHONE LABOR INC
1862578June 14, 1932Signaling systemMURPHY PAUL BBELL TELEPHONE LABOR INC
1862571June 14, 1932Terminal stripGOFF HAROLD W.BELL TELEPHONE LABORATORIES, INCORPORATED
1862570June 14, 1932Electrical condenserGIVEN FREDERICK JBELL TELEPHONE LABOR INC
1862569June 14, 1932Remote control deviceGARGAN JOHN OBELL TELEPHONE LABOR INC
1862559June 14, 1932Workable magnetic compositions containing principally iron and cobaltWHITE JOHN H ; WAHL CHARLES VBELL TELEPHONE LABOR INC
1862554June 14, 1932Acoustic deviceSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1862552June 14, 1932Acoustic deviceSCHLENKER VESPER ABELL TELEPHONE LABOR INC
1862549June 14, 1932Telephone systemRALPH RAYMOND ; SCULLY WALTER JBELL TELEPHONE LABOR INC
1862532June 14, 1932Telephone systemFERGUSON JAMES GBELL TELEPHONE LABOR INC
1862519June 14, 1932Time of day announcing systemBROWN HORATIO G WBELL TELEPHONE LABOR INC
1864091June 21, 1932Method and means of testing photographic developersPARSONS IAN HBELL TELEPHONE LABOR INC
1864082June 21, 1932Telephone exchange systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
1864076June 21, 1932High frequency furnaceLEGG VICTOR EBELL TELEPHONE LABOR INC
1864061June 21, 1932Telephone ringing systemGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1865165June 28, 1932Transmission control circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1865028June 28, 1932Film editing systemMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1865004June 28, 1932Reference electrodeHARING HORACE EBELL TELEPHONE LABOR INC
1864981June 28, 1932Circuit breaker for motors in signaling systemsCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1864963June 28, 1932Electron discharge deviceHERBERT VADERSENBELL TELEPHONE LABOR INC
1864955June 28, 1932Telephone exchange systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1864553June 28, 1932Telephone systemQUASS RALPH LBELL TELEPHONE LABOR INC
1864547June 28, 1932Incandescent lampMORTON EDMUND R ; STOLLER HUGH MBELL TELEPHONE LABOR INC
1864527June 28, 1932Measuring apparatusCASTNER THEODORE GBELL TELEPHONE LABOR INC
1866403July 5, 1932Phonograph recorder and reproducer armELMER LLOYD ABELL TELEPHONE LABOR INC
1866275July 5, 1932Speed regulatorSTOLLER HUGH M. ; MORTON EDMUND R.BELL TELEPHONE LABORATORIES, INCORPORATED
1866274July 5, 1932Resilient supportSTOLLER HUGH MBELL TELEPHONE LABOR INC
1866261July 5, 1932Signal transmission systemKAREL LUTOMIRSKIBELL TELEPHONE LABOR INC
1866260July 5, 1932Telephone systemKING GERALD V ; BONOMI FELIX ABELL TELEPHONE LABORATCRIES IN
1865516July 5, 1932Glow discharge lampFRANK GRAYBELL TELEPHONE LABOR INC
1867380July 12, 1932Thermal switchRUNYON BENJAMIN FBELL TELEPHONE LABOR INC
1867373July 12, 1932Motor control systemMORTON EDMUND R.BELL TELEPHONE LABORATORIES, INCORPORATED
1867368July 12, 1932Testing systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
1867362July 12, 1932Insulation of metal bodiesHUBBEL LATHROPBELL TELEPHONE LABOR INC
1867356July 12, 1932Electric wave translating systemFRIIS HARALD TBELL TELEPHONE LABOR INC
1867350July 12, 1932Artificial larynxBURCHETT GEORGE WBELL TELEPHONE LABOR INC
1867340July 12, 1932Electrooptical apparatusWEINHART HOWARD W ; HOWARD HALLBELL TELEPHONE LABOR INC
1867333July 12, 1932Telegraph exchange switchboardSMITH EDWARD MBELL TELEPHONE LABOR INC
1866925July 12, 1932Magnetic materialCIOFFI PAUL PBELL TELEPHONE LABOR INC
1866924July 12, 1932Magnetic materialCIOFFI PAUL PBELL TELEPHONE LABOR INC
1866604July 12, 1932Electrolytic deviceSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1866603July 12, 1932Acoustic deviceSCHLENKER VESPER ABELL TELEPHONE LABOR INC
1866593July 12, 1932Call distributing systemDAHL JACK F ; CARPENTER WARREN WBELL TELEPHONE LABOR INC
1866592July 12, 1932Voice operated repeater circuitBJORNSON BJORN GBELL TELEPHONE LABOR INC
1866533July 12, 1932Vacuum tube mountingHORTON JOSEPH WBELL TELEPHONE LABOR INC
1868369July 19, 1932Sound recording machineSAILLIARD JOHN HBELL TELEPHONE LABOR INC
1868366July 19, 1932Driving mechanismHARRY PFANNENSTIEHLBELL TELEPHONE LABOR INC
1868326July 19, 1932Telephone systemKING GERALD VBELL TELEPHONE LABOR INC
1868321July 19, 1932Sound recordingHARRISON HENRY CBELL TELEPHONE LABOR INC
1868318July 19, 1932Adjustable inductanceGREENIDGE RALPH M CBELL TELEPHONE LABOR INC
1868315July 19, 1932Continuously loaded conductorELLIS WILLIAM CBELL TELEPHONE LABOR INC
1868309July 19, 1932Telephone systemCARPENTER WARREN W ; DAHL JACK FBELL TELEPHONE LABOR INC
1868296July 19, 1932Automatic telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1868090July 19, 1932Sound translating deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
1869200July 26, 1932Vacuum cleaner attachmentGRANT LINTONBELL TELEPHONE LABOR INC
1869194July 26, 1932Electrooptical systemFRANK GRAYBELL TELEPHONE LABOR INC
1869184July 26, 1932JigBURR GEORGE WBELL TELEPHONE LABOR INC
1869181July 26, 1932Electric test connecterBECK WILLIAM OBELL TELEPHONE LABOR INC
1869178July 26, 1932Sound translating deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
1869175July 26, 1932Radio clock regulationSPRAGUE CLARENCE ABELL TELEPHONE LABOR INC
1869171July 26, 1932Oscillation generatorROSE CHARLES F PBELL TELEPHONE LABOR INC
1869160July 26, 1932Piezo-electric resonatorMARRISON WARREN ABELL TELEPHONE LABOR INC
1869884August 2, 1932Testing deviceCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1869870August 2, 1932Filtering circuitsSTEVENSON GEORGE HBELL TELEPHONE LABOR INC
1869484August 2, 1932Peak voltage limiterKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1869466August 2, 1932Voltage limiterCOLE IRA E.BELL TELEPHONE LABORATORIES, INCORPORATED
1871383August 9, 1932Sound reproducing systemMILLER ROBERT ABELL TELEPHONE LABOR INC
1871358August 9, 1932Electrical contactBUTTERFIELD JOSEPH TBELL TELEPHONE LABOR INC
1871351August 9, 1932Entrance die for tanksWENTZ JESSE FBELL TELEPHONE LABOR INC
1871347August 9, 1932Constant speed motorSTOLLER HUGH MBELL TELEPHONE LABOR INC
1871310August 9, 1932Communication systemENTZ FERDINAND S ; BACHELET ALBERT EBELL TELEPHONE LABOR INC
1871266August 9, 1932Electrooptical transmissionFRANK GRAYBELL TELEPHONE LABOR INC
1871243August 9, 1932Acoustic deviceSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1870271August 9, 1932Acoustic deviceWEGEL RAYMOND LBELL TELEPHONE LABOR INC
1873609August 23, 1932Synchronous signaling systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
1873477August 23, 1932Coaxial conductor transmission lineQUARLES DONALD ABELL TELEPHONE LABOR INC
1873470August 23, 1932Cable armorPEEK JR ROBERT L ; HIPPENSTEEL CLAUDE LBELL TELEPHONE LABOR INC
1873440August 23, 1932Rotary distributor phasing circuitLOCKE GEORGE ABELL TELEPHONE LABOR INC
1873429August 23, 1932Electric current distributing deviceKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1873411August 23, 1932TelevisionIVES HERBERT E ; FRANK GRAYBELL TELEPHONE LABOR INC
1873387August 23, 1932Electrooptical systemFRANK GRAYBELL TELEPHONE LABOR INC
1873357August 23, 1932Grade clampST JOHN EVERETTBELL TELEPHONE LABOR INC
1873346August 23, 1932Method of producing switching apparatus partsSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1873334August 23, 1932Power line carrier telephone systemSARROS JAMES DBELL TELEPHONE LABOR INC
1873283August 23, 1932Telegraph repeaterBURTON EVERETT TBELL TELEPHONE LABOR INC
1873268August 23, 1932Transmission control circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1873255August 23, 1932Power line carrier telephone systemARNOLD HENRY BBELL TELEPHONE LABOR INC
1873250August 23, 1932Bushing extractorADOLPH WALTER JBELL TELEPHONE LABOR INC
1874550August 30, 1932Phonograph record turntableKUHN JOHN JBELL TELEPHONE LABOR INC
1874537August 30, 1932Manufacture of vacuum devicesJAYCOX EDWIN KBELL TELEPHONE LABOR INC
1874492August 30, 1932Electric wave transmissionGANZ ALBERT GBELL TELEPHONE LABOR INC
1874380August 30, 1932Regulated motor systemSTOLLER HUGH M - ; MORTON EDMUND R -BELL TELEPHONE LABOR INC, United States of America (US)
1874374August 30, 1932Control systemSOLE JOHN HBELL TELEPHONE LABOR INC
1874326August 30, 1932Sound mufflerMASON WARREN PBELL TELEPHONE LABOR INC
1874307August 30, 1932Insulating compoundKEMP ARCHIE RBELL TELEPHONE LABOR INC
1874281August 30, 1932Submarine signaling cableGILBERT JOHN JBELL TELEPHONE LABOR INC
1874271August 30, 1932Resilient mounting for electrical devicesFRACKER EDWARD GBELL TELEPHONE LABOR INC
1874242August 30, 1932Inductance networkCHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1874238August 30, 1932Fuel control mechanismCALLAHAN VINCENT TBELL TELEPHONE LABOR INC
1874200August 30, 1932Electrooptical image producing systemMANDERFELD EMANUEL CBELL TELEPHONE LABOR INC
1874191August 30, 1932Electrooptical systemIVES HERBERT EBELL TELEPHONE LABOR INC
1878936September 20, 1932Refining of copperLEGG VICTOR EBELL TELEPHONE LABOR INC
1878147September 20, 1932Electrooptical transmissionIVES HERBERT EBELL TELEPHONE LABOR INC
1880942October 4, 1932Photographic recorderERICKSON ELMER CBELL TELEPHONE LABOR INC
1880889October 4, 1932Signal transmission systemDOBA JR STEPHENBELL TELEPHONE LABOR INC
1880833October 4, 1932Electron discharge deviceCRAWFORD ALLEN IBELL TELEPHONE LABOR INC
1880809October 4, 1932Spool for electrical devicesCLARKE HARRY RBELL TELEPHONE LABOR INC
1880806October 4, 1932Heat treating furnaceCIOFFI PAUL PBELL TELEPHONE LABOR INC
1880805October 4, 1932Inductive deviceCHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1880800October 4, 1932Regulating circuitsCHESNUT ROY W ; TERRY DONALD M ; KANNENBERG WALTER FBELL TELEPHONE LABOR INC
1880764October 4, 1932Submarine signaling cableBUCKLEY OLIVER E.BELL TELEPHONE LABORATORIES, INCORPORATED
1880746October 4, 1932Lead alloyBOUTON GEORGE MBELL TELEPHONE LABOR INC
1880715October 4, 1932Transmission control circuitsBJORNSON BJORN G ; HORTON JR ARTHUR W ; NORWINE ANDREW CBELL TELEPHONE LABOR INC
1880714October 4, 1932Gas-filled tube circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1880676October 4, 1932Circuit controlling deviceBECK WILLIAM OBELL TELEPHONE LABOR INC
1880511October 4, 1932Mounting for electrical devicesERNEST SORENYBELL TELEPHONE LABOR INC
1880425October 4, 1932Measurement of mechanical impedanceFLANDERS PAUL BBELL TELEPHONE LABOR INC
1880412October 4, 1932TransformerBURTON EVERETT TBELL TELEPHONE LABOR INC
1882081October 11, 1932Insulating adhesiveKEMP ARCHIE RBELL TELEPHONE LABOR INC
1881891October 11, 1932Electric discharge deviceOLPIN ALBERT RBELL TELEPHONE LABOR INC
1881829October 11, 1932Electromagnetic signaling deviceMILLER DANIEL DBELL TELEPHONE LABOR INC
1881810October 11, 1932Frequency control method and systemMARRISON WARREN ABELL TELEPHONE LABOR INC
1881801October 11, 1932Two-way signaling systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1881711October 11, 1932Magnetic structureHUBBEL LATHROPBELL TELEPHONE LABOR INC
1881685October 11, 1932Phase shifting deviceKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1881684October 11, 1932Synchronizing systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1881669October 11, 1932Telephone systemKING GERALD V ; BONOMI FELIX ABELL TELEPHONE LABOR INC
1881657October 11, 1932Circuit for electrical discharge apparatusKEITH CLYDE RBELL TELEPHONE LABOR INC
1881642October 11, 1932Transmission control circuitsJONES HERBERT L ; VEAZIE EDMUND ABELL TELEPHONE LABOR INC
1881616October 11, 1932Electrooptical deviceIVES HERBERT EBELL TELEPHONE LABOR INC
1881607October 11, 1932Printing telegraph systemHUNT ARTHUR E ; LANG WILMARTH YAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1881515October 11, 1932Transmission circuitGRIMLEY DONALD GBELL TELEPHONE LABOR INC
1881503October 11, 1932Mounting frame for electrical apparatusGRAHAM FRANK HBELL TELEPHONE LABOR INC
1881499October 11, 1932Submarine cable loading coilGORTON WILLIAM SBELL TELEPHONE LABOR INC
1881483October 11, 1932Radio transmission systemsGILLETT GLENN DBELL TELEPHONE LABOR INC
1881481October 11, 1932Duplex telegraph systemGILBERT JOHN JBELL TELEPHONE LABOR INC
1881480October 11, 1932Continuously loaded communication conductorGILBERT JOHN JBELL TELEPHONE LABOR INC
1881469October 11, 1932Motion picture projectorANTONIO GASTONGUAY ; GEORGE PULLERBELL TELEPHONE LABOR INC
1881460October 11, 1932RelayFRY JACOB RBELL TELEPHONE LABOR INC
1883291October 18, 1932Projection of stereoscopic picturesIVES HERBERT EBELL TELEPHONE LABOR INC
1883163October 18, 1932Remote control deviceVOORHIS JR FRANK VANBELL TELEPHONE LABOR INC
1883158October 18, 1932Trunk circuitULRICH HORACE WBELL TELEPHONE LABOR INC
1883111October 18, 1932Piezo-electric crystal mountingTHURSTON GEORGE MBELL TELEPHONE LABOR INC
1883098October 18, 1932Electrical resistance deviceTEMPLETON BRYCE OBELL TELEPHONE LABOR INC
1883043October 18, 1932PouchERNEST SORENYBELL TELEPHONE LABOR INC
1882994October 18, 1932Electron discharge devicePAUL SCHWERINBELL TELEPHONE LABOR INC
1882974October 18, 1932Acoustic deviceSCHLENKER VESPER ABELL TELEPHONE LABOR INC
1882936October 18, 1932Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
1882893October 18, 1932Sound picture cameraPOTTS LOUIS MBELL TELEPHONE LABOR INC
1882885October 18, 1932Holder for crystal resonatorsPOLKINGHORN FRANK ABELL TELEPHONE LABOR INC
1882866October 18, 1932Signaling systemMATHES ROBERT CBELL TELEPHONE LABOR INC
1882854October 18, 1932Mounting frame for electrical apparatusMEAD EDWARD DBELL TELEPHONE LABOR INC
1882851October 18, 1932Telephone systemMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
1882850October 18, 1932Frequency producerMARRISON WARREN ABELL TELEPHONE LABOR INC
1882849October 18, 1932Frequency control systemMARRISON WARREN ABELL TELEPHONE LABOR INC
1882829October 18, 1932Relief picture viewing screenHOWARD HALLBELL TELEPHONE LABOR INC
1882753October 18, 1932Telephone systemBOWNE LANGFORD JBELL TELEPHONE LABOR INC
1884845October 25, 1932Magnetic amplifierEUGENE PETERSONBELL TELEPHONE LABOR INC
1884844October 25, 1932Magnetic wave-amplifying repeaterEUGENE PETERSONBELL TELEPHONE LABOR INC
1884697October 25, 1932Long distance telephone systemHORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1884675October 25, 1932Electric wave transmission systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1884582October 25, 1932Vacuum tube socketCRAWFORD ALLEN IBELL TELEPHONE LABOR INC
1884567October 25, 1932Telegraph exchange systemCATOGGE JOSEPH JBELL TELEPHONE LABOR INC
1885728November 1, 1932Harmonic generating and selecting systemKEITH CLYDE RBELL TELEPHONE LABOR INC
1885151November 1, 1932Directive antenna systemSTERBA ERNEST JBELL TELEPHONE LABOR INC
1888227November 22, 1932Volume control systemHORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1889576November 29, 1932Apparatus to enable the blind to readSNOOK HOMER CBELL TELEPHONE LABOR INC
1890904December 13, 1932Translating deviceGENT EDGAR WBELL TELEPHONE LABOR INC
1890523December 13, 1932Telephone systemMARSHALL TOLA ABELL TELEPHONE LABOR INC
1890488December 13, 1932Remote control systemARNOLD HENRY BBELL TELEPHONE LABOR INC
1890454December 13, 1932Automatic gain controlEDMOND BRUCEBELL TELEPHONE LABOR INC
1891241December 20, 1932Sound picture systemHARRY PFANNENSTIEHLBELL TELEPHONE LABOR INC
1892284December 27, 1932Voice operated circuitMATHES ROBERT CBELL TELEPHONE LABOR INC
1892279December 27, 1932Communication cableKEMP ARCHIE RBELL TELEPHONE LABOR INC
1892253December 27, 1932Directive antenna systemSCHELLENG JOHN CBELL TELEPHONE LABOR INC
1893302January 3, 1933Method of and means for controlling electric wave amplifiersEUGENE PETERSONBELL TELEPHONE LABOR INC
1893031January 3, 1933Control circuits for space discharge devicesLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1894023January 10, 1933Circuits for photo-electric cellsDAWSON WILFRID LBELL TELEPHONE LABOR INC
1894022January 10, 1933ContainerCRUSER VICTOR IBELL TELEPHONE LABOR INC
1894016January 10, 1933Telephone desk setNELSON BLOUNTBELL TELEPHONE LABOR INC
1894823January 17, 1933Coin receptacleHOYT FREDERICK ABELL TELEPHONE LABOR INC
1895828January 31, 1933Wire splicing machineINWAGEN JR CHARLES L VANBELL TELEPHONE LABOR INC
1895760January 31, 1933Fluid-treating apparatusHUNT FRANKLIN LBELL TELEPHONE LABOR INC
1895757January 31, 1933Translating deviceGENT EDGAR WBELL TELEPHONE LABOR INC
1895466January 31, 1933HingeKUNTZ FRANK ABELL TELEPHONE LABOR INC
1895461January 31, 1933Combined radio telephone and telegraph systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1895441January 31, 1933Sound translating deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
1896785February 7, 1933Modulating deviceOHL RUSSELL SBELL TELEPHONE LABOR INC
1896781February 7, 1933Constant frequency oscillatorLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1896780February 7, 1933Modulating deviceLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1896767February 7, 1933Signaling systemBUCKLEY OLIVER EBELL TELEPHONE LABOR INC
1896762February 7, 1933CoilHORACE WHITTLEBELL TELEPHONE LABOR INC
1896757February 7, 1933Telephone exchange systemSTRICKLER WALTER BBELL TELEPHONE LABOR INC
1896513February 7, 1933Piezo-electric crystalHOVGAARD OLE MBELL TELEPHONE LABOR INC
1896510February 7, 1933Adjustable inductanceGIVEN FREDERICK JBELL TELEPHONE LABOR INC
1896487February 7, 1933Calling circuitGIBSON ROBERT DBELL TELEPHONE LABOR INC
1896480February 7, 1933Balanced inductance deviceCHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1896478February 7, 1933Treating wood and preventing corrosion of cablesBURNS ROBERT MBELL TELEPHONE LABOR INC
1896473February 7, 1933Article of metallic compositions or alloys of leadTOWNSEND JOHN RBELL TELEPHONE LABOR INC
1896464February 7, 1933Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
1896065February 7, 1933Selective circuit for superheterodyne radioreceiversBUDENBOM HORACE TBELL TELEPHONE LABOR INC
1897639February 14, 1933Transmission networkKREER JR JOHN GBELL TELEPHONE LABOR INC
1897606February 14, 1933Hand welding machineCOLE IRA E ; MAY DAVID T ; WELLER ANTHONY ABELL TELEPHONE LABOR INC
1897083February 14, 1933Telephone exchange systemSTRICKLER WALTER BBELL TELEPHONE LABOR INC
1897069February 14, 1933Telephone exchange systemNEWSOM JAMES BBELL TELEPHONE LABOR INC
1897068February 14, 1933Constant speed motorMORTON EDMUND RBELL TELEPHONE LABOR INC
1897045February 14, 1933RelayFRY JACOB RBELL TELEPHONE LABOR INC
1897040February 14, 1933Inductive deviceCHRISTOPHER ARTHUR JBELL TELEPHONE LABOR INC
1899410February 28, 1933Directive antenna systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1899163February 28, 1933Piezo-electric crystalMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1901449March 14, 1933Multicontact switchHOGE JOSEPH F DBELL TELEPHONE LABOR INC
1901443March 14, 1933Signaling deviceGARVIN JOHN SBELL TELEPHONE LABOR INC
1901433March 14, 1933Artificial larynkBURCHETT GEORGE WBELL TELEPHONE LABOR INC
1901403March 14, 1933Telephone systemMURPHY PAUL BBELL TELEPHONE LABOR INC
1901400March 14, 1933Harmonic analyzerMARRISON WARREN ABELL TELEPHONE LABOR INC
1901958March 21, 1933Substation circuitGOODERHAM JOHN WBELL TELEPHONE LABOR INC
1901947March 21, 1933Supporting deviceBESCHERER EDWIN ABELL TELEPHONE LABOR INC
1901944March 21, 1933Telephone systemALLEN LAWRENCE HBELL TELEPHONE LABOR INC
1901938March 21, 1933Method of and means for tapping a conductorTINUS WILLIAM CBELL TELEPHONE LABOR INC
1901929March 21, 1933Voltage limiting systemEUGENE PETERSONBELL TELEPHONE LABOR INC
1901921March 21, 1933Electrical meterMEANS WINTHROP JBELL TELEPHONE LABOR INC
1901901March 21, 1933Testing of electrical contactsDIXON JOHN B ; HONAN EDWARD MBELL TELEPHONE LABOR INC
1901898March 21, 1933Sound translating deviceCLARKE HARRY R.BELL TELEPHONE LABORATORIES, INCORPORATED
1904618April 18, 1933Telegraph systemBURTON EVERETT TBELL TELEPHONE LABOR INC
1904598April 18, 1933Testing systemANDERSON FRITHIOF BBELL TELEPHONE LABOR INC
1904569April 18, 1933Protective deviceTEBO JULIAN DBELL TELEPHONE LABOR INC
1904490April 18, 1933Turntable for phonographsMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1904278April 18, 1933Message register circuit for telegraph exchangesDICKINSON ALLAN BBELL TELEPHONE LABOR INC
1904272April 18, 1933Vacuum tube amplifier circuitMETER COUSINS VANBELL TELEPHONE LABOR INC
1904271April 18, 1933Submarine cable anchorageCHASE CHARLES ABELL TELEPHONE LABOR INC
1904252April 18, 1933Telephone systemROBB THEODORE DBELL TELEPHONE LABOR INC
1904233April 18, 1933Process for producing magnetic bodiesHOLLINGSWORTH LOWELL MBELL TELEPHONE LABOR INC
1904156April 18, 1933Pneumatic sound reproducerMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1904017April 18, 1933Telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
1904000April 18, 1933Reeling deviceHOYT FREDERICK ABELL TELEPHONE LABOR INC
1903999April 18, 1933Regulating systemHOLDEN WILLIAM H T ; JUTSON ROBERT PAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1903998April 18, 1933Telephone exchange systemHARPER ROBERT WBELL TELEPHONE LABOR INC
1903992April 18, 1933Submarine cable loading coilGILBERT JOHN JBELL TELEPHONE LABOR INC
1903981April 18, 1933Motion picture filmCOFFMAN JOE WBELL TELEPHONE LABOR INC
1903976April 18, 1933Process of making concreteBURNS ROBERT MBELL TELEPHONE LABOR INC
1903975April 18, 1933Submarine signaling cableBUCKLEY OLIVER EBELL TELEPHONE LABOR INC
1905792April 25, 1933Transmission systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1905761April 25, 1933Cable suspensionST JOHN EVERETT ; MILLER STANLEY CBELL TELEPHONE LABOR INC
1905723April 25, 1933Vibration damping deviceLANDSMAN WESLEY EBELL TELEPHONE LABOR INC
1905716April 25, 1933Making stereoscopic parallax panoramagrams from pseudoscopic parallax panoramagramsIVES HERBERT EBELL TELEPHONE LABOR INC
1905714April 25, 1933Signaling systemHORTON JOSEPH WBELL TELEPHONE LABOR INC
1905711April 25, 1933Telephone systemHINRICHSEN EDWARD EBELL TELEPHONE LABOR INC
1905704April 25, 1933Acoustic deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
1905669April 25, 1933Vibration translating deviceYENZER GEORGE RBELL TELEPHONE LABOR INC
1905662April 25, 1933Telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
1907147May 2, 1933Transmission circuitsDUDLEY HOMER WBELL TELEPHONE LABOR INC
1907132May 2, 1933Constant frequency systemTHURSTON GEORGE MBELL TELEPHONE LABOR INC
1907123May 2, 1933Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
1907114May 2, 1933Electrooptical systemIVES HERBERT EBELL TELEPHONE LABOR INC
1907105May 2, 1933Magnetic testingHAWORTH FRANCIS EBELL TELEPHONE LABOR INC
1906973May 2, 1933Photographic copying systemKINGSBURY EDWIN FBELL TELEPHONE LABOR INC
1908366May 9, 1933Electrical discharge deviceFOSTER KINGSBURY EDWINBELL TELEPHONE LABOR INC
1908346May 9, 1933GaugeHAMPTON LEON NBELL TELEPHONE LABOR INC
1907843May 9, 1933Method of manufacturing transmitter carbonLOWRY HOMER HBELL TELEPHONE LABOR INC
1907745May 9, 1933Indicating deviceCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1907723May 9, 1933Sound reproducing deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
1907712May 9, 1933Acoustic deviceBEDELL EUAL HBELL TELEPHONE LABOR INC
1907704May 9, 1933Method of adjusting translating devicesANDERSON WILLIAM HBELL TELEPHONE LABOR INC
1907427May 9, 1933Piezo-electric crystalMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1907426May 9, 1933Piezo-electric crystalMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1907425May 9, 1933Piezo electric resonatorMARRISON WARREN ABELL TELEPHONE LABOR INC
1909843May 16, 1933Communicating systemSQUIRE EDMUND MBELL TELEPHONE LABOR INC
1909842May 16, 1933Method and means for measuring direct capacitySKELLETT ALBERT MBELL TELEPHONE LABOR INC
1909838May 16, 1933Telegraph exchange systemLANE CUTHBERT CBELL TELEPHONE LABOR INC
1909812May 16, 1933Monitoring systemCOOKE LEIGHTON BBELL TELEPHONE LABOR INC
1909810May 16, 1933TelephonyHOWARD CHRISTENSENBELL TELEPHONE LABOR INC
1909438May 16, 1933Signaling systemWADSWORTH PAUL WBELL TELEPHONE LABOR INC
1909419May 16, 1933Telephone systemOAKES WILLIAM CBELL TELEPHONE LABOR INC
1909375May 16, 1933Acoustic deviceMULLER GEORGE GBELL TELEPHONE LABOR INC
1909370May 16, 1933Sound recording and reproducing systemMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1909367May 16, 1933Heat treating loaded conductorsLEGG VICTOR EBELL TELEPHONE LABOR INC
1910982May 23, 1933Stroboscopic systemHOWARD BROADWELLBELL TELEPHONE LABOR INC
1910981May 23, 1933Acoustic dampening deviceBESCHERER EDWIN ABELL TELEPHONE LABOR INC
1910980May 23, 1933Transmitter filling machineBENNETT ARTHUR FBELL TELEPHONE LABOR INC
1910978May 23, 1933Coin collection apparatusALLISON MALCOLM GBELL TELEPHONE LABOR INC
1910977May 23, 1933Wave transmission systemWEIS JR CHARLES LBELL TELEPHONE LABOR INC
1910972May 23, 1933Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
1910966May 23, 1933Artificial larynxRIESZ ROBERT R ; BURCHETT GEORGE WBELL TELEPHONE LABOR INC
1910960May 23, 1933Power line carrier current systemNEBEL CHARLES NBELL TELEPHONE LABOR INC
1910957May 23, 1933Reactive element having stable temperature-reactance characteristicsLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1910254May 23, 1933Sound recordingKELLER ARTHUR CBELL TELEPHONE LABOR INC
1910179May 23, 1933Sound picture projectorHARRY PFANNENSTIEHLBELL TELEPHONE LABOR INC
1910165May 23, 1933Deep sea cable terminalHORTON JR ARTHUR WBELL TELEPHONE LABOR INC
1910147May 23, 1933Antenna systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1912146May 30, 1933Glow discharge deviceJOHNSON JOHN BBELL TELEPHONE LABOR INC
1911858May 30, 1933Extrusion dieTREBES BRUNO M ABELL TELEPHONE LABOR INC
1911803May 30, 1933Insulating materialROBERT BURNSBELL TELEPHONE LABOR INC
1912456June 6, 1933Transposition bracketKLEIN CHARLES HBELL TELEPHONE LABOR INC
1912453June 6, 1933Telephone exchance systemHENRY HOVLANDBELL TELEPHONE LABOR INC
1912442June 6, 1933Loaded cableGILBERT JOHN JBELL TELEPHONE LABOR INC
1912426June 6, 1933Electric meterBLATTNER DAVID G ; HOPKINS HARRIS FBELL TELEPHONE LABOR INC
1912415June 6, 1933Photo electric systemUPHOFF LESLIE S ; RUMPEL CARL HBELL TELEPHONE LABOR INC
1912405June 6, 1933Glass working machineRONCI VICTOR LBELL TELEPHONE LABOR INC
1912404June 6, 1933Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
1914186June 13, 1933Translating deviceWENTE EDWARD CBELL TELEPHONE LABOR INC
1914124June 13, 1933Telephone systemHARPER ROBERT WBELL TELEPHONE LABOR INC
1914103June 13, 1933Signaling systemBJORNSON BJORN GBELL TELEPHONE LABOR INC
1914099June 13, 1933Acoustic deviceBEDELL EUAL HBELL TELEPHONE LABOR INC
1913443June 13, 1933Telegraph repeaterHEARN RICHARD BBELL TELEPHONE LABOR INC
1913440June 13, 1933Retractile deviceBRUCE FREILE ; MAGRATH ARTHUR CBELL TELEPHONE LABOR INC
1913438June 13, 1933Tuning dialFLAMMER HOWARD A ; FRACKER EDWARD GBELL TELEPHONE LABOR INC
1913432June 13, 1933Electric discharge deviceDENZLER ARTHUR HBELL TELEPHONE LABOR INC
1913428June 13, 1933Radio receiver circuitEDMOND BRUCEBELL TELEPHONE LABOR INC
1913427June 13, 1933Electric discharge deviceBOND DONALD SBELL TELEPHONE LABOR INC
1915389June 27, 1933Regulator systemSOLE JOHN HBELL TELEPHONE LABOR INC
1915386June 27, 1933Process for the production of magnetic materials in powdered formSCHUMACHER EARLE E ; ELLIS WILLIAM CBELL TELEPHONE LABOR INC
1915382June 27, 1933Radio telephone systemPRUDEN HAROLD M ; TAYLOR CHARLES CBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
1915368June 27, 1933OscillatorLACK FREDERICK RBELL TELEPHONE LABOR INC
1915366June 27, 1933Telegraph switching systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
1915358June 27, 1933Electrodynamic deviceGILES LEONARD WBELL TELEPHONE LABOR INC
1917072July 4, 1933Acoustic deviceSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1917064July 4, 1933Vacuum tube circuitsROMNES HAAKEN IBELL TELEPHONE LABOR INC
1917061July 4, 1933Composite transmission systemQUARLES DONALD ABELL TELEPHONE LABOR INC
1917052July 4, 1933Power line carrier current systemNEBEL CHARLES NBELL TELEPHONE LABOR INC
1917035July 4, 1933Circuit for reducing interferenceJACOBS OLIVER BBELL TELEPHONE LABOR INC
1917016July 4, 1933Circuit for reducing interferenceBURTON EVERETT T.BELL TELEPHONE LABORATORIES, INCORPORATED
1917015July 4, 1933Power amplifierBURTON EVERETT TBELL TELEPHONE LABOR INC
1917013July 4, 1933Sound translating deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
1917012July 4, 1933Sound translating deviceBLATTNER DAVID GBELL TELEPHONE LABOR INC
1917009July 4, 1933Electrical connecterBETTS WALTER L ; ERNEST SORENYBELL TELEPHONE LABOR INC
1917008July 4, 1933Timing mechanismBECK WILLIAM OBELL TELEPHONE LABOR INC
1917007July 4, 1933Sound translating deviceATKINS GEORGE EBELL TELEPHONE LABOR INC
1916761July 4, 1933Telephone exchange systemHENRY ISRAEL H ; HERSEY RALPH EBELL TELEPHONE LABOR INC
1916760July 4, 1933Telephone exchange systemHENRY ISRAEL HBELL TELEPHONE LABOR INC
1916358July 4, 1933Radio direction finderEDMOND BRUCE ; FRIIS HARALD TBELL TELEPHONE LABOR INC
1916320July 4, 1933Stereoscopic picture with exaggerated or diminished reliefIVES HERBERT EBELL TELEPHONE LABOR INC
1916231July 4, 1933Measurement of electrical characteristics of transmission circuits and networksOCH HENRY G ; HINSHAW FOSTER ABELL TELEPHONE LABOR INC
1916223July 4, 1933Sound translating deviceWALTER KALINBELL TELEPHONE LABOR INC
1917921July 11, 1933Frequency changer systemBURTON EVERETT TBELL TELEPHONE LABOR INC
1917885July 11, 1933Telegraph repeater circuitHEARN RICHARD BBELL TELEPHONE LABOR INC
1917884July 11, 1933Call charging telephone systemHAGUE ALFRED EBELL TELEPHONE LABOR INC
1917882July 11, 1933Signaling systemGILBERT JOHN JBELL TELEPHONE LABOR INC
1917881July 11, 1933Remote control deviceGERMANTON CHARLES EBELL TELEPHONE LABOR INC
1917879July 11, 1933Telephone systemDRAPER JOHN BBELL TELEPHONE LABOR INC
1917859July 11, 1933Telephone systemSTACY LELAND JBELL TELEPHONE LABOR INC
1919046July 18, 1933Selective calling circuitsSCRIVEN EDWARD OBELL TELEPHONE LABOR INC
1919039July 18, 1933Switching deviceRITCHIE GEORGE ABELL TELEPHONE LABOR INC
1919035July 18, 1933Carrier telegraph interference suppressorPHELPS WALTER A ; KOERNER ALLAN MBELL TELEPHONE LABOR INC
1919019July 18, 1933Artificial cable and loading coil thereforGREENIDGE RALPH M CBELL TELEPHONE LABOR INC
1918977July 18, 1933Synchronous motorMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1918976July 18, 1933Piezo-electric crystalsMARRISON WARREN ABELL TELEPHONE LABOR INC
1918972July 18, 1933Phonograph reproducerKING JOHN HBELL TELEPHONE LABOR INC
1918971July 18, 1933Insulation compoundKEMP ARCHIE R ; INGMANSON JOHN HBELL TELEPHONE LABOR INC
1918822July 18, 1933Signal transmission systemNORMAN NATHANIEL CBELL TELEPHONE LABOR INC
1918309July 18, 1933Glow discharge lampWEINHART HOWARD WBELL TELEPHONE LABOR INC
1918271July 18, 1933Sound recording and reproducing systemKELLER ARTHUR CBELL TELEPHONE LABOR INC
1918267July 18, 1933Sound recording and reproducing systemWILLIAM HERRIOTTBELL TELEPHONE LABOR INC
1918259July 18, 1933Electrical resistanceGABRIEL JOHN CBELL TELEPHONE LABOR INC
1918244July 18, 1933Manufacture of vapor electric devicesBOND DONALD SBELL TELEPHONE LABOR INC
1919814July 25, 1933Electric control systemTRUCKSESS DAVID EBELL TELEPHONE LABOR INC
1919808July 25, 1933Power supply systemSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
1919804July 25, 1933Transmission of sound and imagesRYAN FRANCIS MBELL TELEPHONE LABOR INC
1919803July 25, 1933Measuring and indicating systemROETKEN ALFRED ABELL TELEPHONE LABOR INC
1919799July 25, 1933Telephone pay station receptacleMELICK JOHN MBELL TELEPHONE LABOR INC
1919796July 25, 1933Mechanical vibrating elementMARRISON WARREN ABELL TELEPHONE LABOR INC
1919795July 25, 1933Subharmonic frequency producerMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1920274August 1, 1933Wave translating systemPIDGEON HOWARD A ; MCNALLY JAMES OBELL TELEPHONE LABOR INC
1920238August 1, 1933Wave translating systemBLACK HAROLD SBELL TELEPHONE LABOR INC
1921469August 8, 1933Film editing machineKUHN JOHN J ; TERRY ROY VBELL TELEPHONE LABOR INC
1921441August 8, 1933Electric resistance deviceTEMPLETON BRYCE OBELL TELEPHONE LABOR INC
1921433August 8, 1933Constant temperature apparatusHOVGAARD OLE MBELL TELEPHONE LABOR INC
1921432August 8, 1933Constant temperature apparatusBURRELL STALLARDBELL TELEPHONE LABOR INC
1921431August 8, 1933Loading systemSHEA TIMOTHY EBELL TELEPHONE LABOR INC
1921430August 8, 1933Electromagnetic switching deviceREYNOLDS JOHN N ; DOBBIN HENRY FBELL TELEPHONE LABOR INC
1921425August 8, 1933Polar relay circuitNEBEL CHARLES NBELL TELEPHONE LABOR INC
1921409August 8, 1933Telephone systemHINRICHSEN EDWARD EBELL TELEPHONE LABOR INC
1921404August 8, 1933Continuous film processing machineCRABTREE JAMESBELL TELEPHONE LABORATORIES, INCORPORATED
1921065August 8, 1933Electron emitter and process of making sameBECKER JOSEPH ABELL TELEPHONE LABOR INC
1921035August 8, 1933Wave filterMASON WARREN PBELL TELEPHONE LABOR INC
1921024August 8, 1933Alarm systemFIELD JOSEPH CBELL TELEPHONE LABOR INC
1921022August 8, 1933Submarine cable signaling systemBURTON EVERETT T.BELL TELEPHONE LABORATORIES, INCORPORATED
1921004August 8, 1933Gaseous discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
1920964August 8, 1933Electrodeposition of alloysBURNS ROBERT MBELL TELEPHONE LABOR INC
1922677August 15, 1933Radio direction finding systemGREIG JOHN W ; BAILEY ARNOLD BBELL TELEPHONE LABOR INC
1922669August 15, 1933Coupling deviceELMER LLOYD ABELL TELEPHONE LABOR INC
1922654August 15, 1933Modulating deviceBAIR RALPH S ; BISHOP JOHN BBELL TELEPHONE LABOR INC
1922602August 15, 1933Volume control circuitsNORMAN NATHANIEL CBELL TELEPHONE LABOR INC
1922059August 15, 1933Radio receiving systemOHL RUSSELI SBELL TELEPHONE LABOR INC
1923686August 22, 1933Electron discharge devicePIDGEON HOWARD A ; MCNALLY JAMES OBELL TELEPHONE LABOR INC
1923543August 22, 1933Modulation systemLAWRENCE WALTER LBELL TELEPHONE LABOR INC
1924836August 29, 1933AmplifierCOUSINS VAN MBELL TELEPHONE LABOR INC
1924115August 29, 1933Protective means for electrical systemsFERRELL ENOCH BBELL TELEPHONE LABOR INC
1924106August 29, 1933Submarine cable loading coilBUCKLEY OLIVER EBELL TELEPHONE LABOR INC
1925696September 5, 1933Telephone systemIRVINE FRANK SBELL TELEPHONE LABOR INC
1925693September 5, 1933Glow discharge lampFRANK GRAYBELL TELEPHONE LABOR INC
1925690September 5, 1933Sound picture systemELMER LLOYD ABELL TELEPHONE LABOR INC
1925659September 5, 1933Acoustic deviceGILES LEONARD WBELL TELEPHONE LABOR INC
1926899September 12, 1933Submarine communication cableGILBERT JOHN JBELL TELEPHONE LABOR INC
1926894September 12, 1933Selector testing systemDEHN JOSEPH WBELL TELEPHONE LABOR INC
1926889September 12, 1933Glow discharge deviceWEINHART HOWARD WBELL TELEPHONE LABOR INC
1926880September 12, 1933Transmission control in two-way signaling systemsNORWINE ANDREW CBELL TELEPHONE LABOR INC
1926877September 12, 1933Transmission networkMARRISON WARREN ABELL TELEPHONE LABOR INC
1926876September 12, 1933Time announcing machineMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1927400September 19, 1933Method of applying and vulcanizing an insulating compoundGRAY ALVIN N ; KEMP ARCHIE RBELL TELEPHONE LABOR INC
1927099September 19, 1933Vacuum tube circuitsSHOWER EDMUND GBELL TELEPHONE LABOR INC
1927084September 19, 1933Support for filament assembliesCHARLES DEPEWBELL TELEPHONE LABOR INC
1927082September 19, 1933AmplifierCORBIN JOSEPH EBELL TELEPHONE LABOR INC
1927070September 19, 1933Distortion correction in wave transmission systemsEUGENE PETERSONBELL TELEPHONE LABOR INC
1930279October 10, 1933Motor control systemMORTON EDMUND RBELL TELEPHONE LABOR INC
1930278October 10, 1933Oscillation generatorMARRISON WARREN ABELL TELEPHONE LABOR INC
1930275October 10, 1933Telephone switchboardKNOWLTON ALFRED D ; GILMORE ALFRED CBELL TELEPHONE LABOR INC
1930274October 10, 1933Insulating compoundKEMP ARCHIE R ; INGMANSON JOHN HBELL TELEPHONE LABOR INC
1930270October 10, 1933Portable telephone setHAYWARD JOHN MBELL TELEPHONE LABOR INC
1930269October 10, 1933Inductance deviceGREENIDGE RALPH M CBELL TELEPHONE LABOR INC
1930267October 10, 1933Testing and adjusting deviceGIBSON ROBERT D ; HARLEY JOHN BBELL TELEPHONE LABOR INC
1930264October 10, 1933Electric current interrupterCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1930255October 10, 1933Telephone systemSMITH GERARD VBELL TELEPHONE LABOR INC
1929925October 10, 1933Multiple terminal bankKUHN JOHN JBELL TELEPHONE LABOR INC
1929446October 10, 1933Resistance deviceOGG ROBERT ABELL TELEPHONE LABOR INC
1931063October 17, 1933Signal transmission systemDOBA JR STEPHENBELL TELEPHONE LABOR INC
1931036October 17, 1933Radio antenna supporting and accessory structureRYAN FRANCIS MBELL TELEPHONE LABOR INC
1931031October 17, 1933Signal transmission systemNEBEL CHARLES NBELL TELEPHONE LABOR INC
1931028October 17, 1933Piezo-electric relayMARRISON WARREN ABELL TELEPHONE LABOR INC
1930915October 17, 1933Acoustic deviceWENTE EDWARD CBELL TELEPHONE LABOR INC
1930913October 17, 1933Film editing machineTERRY ROY VBELL TELEPHONE LABOR INC
1930906October 17, 1933Sound translating deviceROBERT NORDENSWANBELL TELEPHONE LABOR INC
1930898October 17, 1933Program transmissionJOHNSON KENNETH SBELL TELEPHONE LABOR INC
1932253October 24, 1933Television systemIVES HERBERT EBELL TELEPHONE LABOR INC
1931886October 24, 1933Acoustic apparatusSCHLENKER VESPER ABELL TELEPHONE LABOR INC
1931877October 24, 1933Testing system for space discharge devicesSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
1931874October 24, 1933Electron discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
1931873October 24, 1933Frequency control systemMARRISON WARREN ABELL TELEPHONE LABOR INC
1931867October 24, 1933Battery control systemHOLDEN WILLIAM H T ; JUTSON ROBERT P ; LAREW JOEL LAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1931866October 24, 1933Gain control circuitsHEISING RAYMOND ABELL TELEPHONE LABOR INC
1933274October 31, 1933Testing deviceARTHUR LUDWIGBELL TELEPHONE LABOR INC
1933272October 31, 1933Electric connecterBERNARD LEUVELINK ; BETTS WALTER LBELL TELEPHONE LABOR INC
1933264October 31, 1933Coin receptacleHOYT FREDERICK ABELL TELEPHONE LABOR INC
1933261October 31, 1933ShieldingHARRIS HENRY JBELL TELEPHONE LABOR INC
1933252October 31, 1933Translating deviceGENT EDGAR WBELL TELEPHONE LABOR INC
1933251October 31, 1933Photographic film drive mechanismGAUTHIER MARCEL CBELL TELEPHONE LABOR INC
1933248October 31, 1933Radio direction findingEVANS PORTER H ; GREIG JOHN WBELL TELEPHONE LABOR INC
1932816October 31, 1933Remote control deviceGARGAN JOHN O ; BROWNE BENNIE OBELL TELEPHONE LABOR INC
1932465October 31, 1933Radio receiving systemJENSEN AXEL GBELL TELEPHONE LABOR INC
1932435October 31, 1933Transmission networkAIKEN CHARLES B ; CORBIN JOSEPH EBELL TELEPHONE LABOR INC
1934423November 7, 1933System for communicating with moving vehiclesGREEN CHARLES WBELL TELEPHONE LABOR INC
1934416November 7, 1933Vibration translating deviceFLANDERS PAUL B ; HARRISON HENRY CBELL TELEPHONE LABOR INC
1934412November 7, 1933Radio receiving circuitENGLUND CARL RBELL TELEPHONE LABOR INC
1934400November 7, 1933Frequency control systemBOLLMAN JOHN HBELL TELEPHONE LABOR INC
1934390November 7, 1933Frequency changerUPHOFF LESLIE SBELL TELEPHONE LABOR INC
1934378November 7, 1933Electric discharge deviceRONCI VICTOR L ; CHARLES DEPEWBELL TELEPHONE LABOR INC
1934369November 7, 1933Electric discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
1934364November 7, 1933Impulse receiving systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
1935325November 14, 1933Frequency standardMARRISON WARREN ABELL TELEPHONE LABOR INC
1935323November 14, 1933Underground cableKEMP ARCHIE R ; INGMANSON JOHN HBELL TELEPHONE LABOR INC
1935322November 14, 1933Lead covered cableKEMP ARCHIE R.BELL TELEPHONE LABORATORIES, INCORPORATED
1935321November 14, 1933Gutta-percha insulation materialKEMP ARCHIE R ; INGMANSON JOHN HBELL TELEPHONE LABOR INC
1935316November 14, 1933DetectorGALT ROGERS HBELL TELEPHONE LABOR INC
1935301November 14, 1933Sound reproducing systemSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1935300November 14, 1933Sound reproducing systemSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1936200November 21, 1933Telegraph exchange systemLOCKE GEORGE A ; LANE CUTHBERT CBELL TELEPHONE LABOR INC
1936194November 21, 1933Gas pressure alarm contactorHENNEBERGER THOMAS C ; PIKE VERNON BAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1936187November 21, 1933Electron discharge deviceDENZLER ARTHUR HBELL TELEPHONE LABOR INC
1936153November 21, 1933Electric wave transmission systemBURTON EVERETT TBELL TELEPHONE LABOR INC
1936145November 21, 1933Sound reproducing systemWENTE EDWARD CBELL TELEPHONE LABOR INC
1937143November 28, 1933Excess voltage protection circuitCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1937118November 28, 1933Projecting pictures in stereoscopic reliefIVES HERBERT EBELL TELEPHONE LABOR INC
1937115November 28, 1933Testing machineHAYFORD WALTER S ; TOWNSEND JOHN RBELL TELEPHONE LABOR INC
1936686November 28, 1933Sound recording material and method of manufacturePATTERSON EVERETT MBELL TELEPHONE LABOR INC
1936683November 28, 1933Frequency measurementMARRISON WARREN ABELL TELEPHONE LABOR INC
1936658November 28, 1933Volume control systemBJORNSON BJORN G ; DOBA JR STEPHENBELL TELEPHONE LABOR INC
1936656November 28, 1933Printing telegraph systemBELL JOHN HBELL TELEPHONE LABOR INC
1936655November 28, 1933Telegraph systemBELL JOHN HBELL TELEPHONE LABOR INC
1939086December 12, 1933Supporting deviceSHAFER JR IRA CBELL TELEPHONE LABOR INC
1939079December 12, 1933Sound picture reproducing equipmentPFANNENSTIEHL HARRYBELL TELEPHONE LABORATORIES, INCORPORATED
1939073December 12, 1933Temperature control apparatusMALLES RALPH EBELL TELEPHONE LABOR INC
1939072December 12, 1933Phonograph recording machineMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1939060December 12, 1933Modulating systemKINGSBURY EDWIN FBELL TELEPHONE LABOR INC
1939053December 12, 1933Short wave transmissionHUNT LOYD EBELL TELEPHONE LABOR INC
1938726December 12, 1933Electromagnetic deviceSLAUSON WILLIAM CBELL TELEPHONE LABOR INC
1938709December 12, 1933Telephone systemMASSONNEAU ROBERT FBELL TELEPHONE LABERATORIES IN
1938706December 12, 1933Phonograph machineMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1938698December 12, 1933Coin controlled apparatusHOYT FREDERICK ABELL TELEPHONE LABOR INC
1938694December 12, 1933Sound film recording apparatusGOEHNER WILLIAM R ; WILLIAM HERRIOTTBELL TELEPHONE LABOR INC
1938684December 12, 1933Testing apparatusBOND DONALD S ; FULLER CALVIN S ; ERICKSON CHARLES LBELL TELEPHONE LABOR INC
1940599December 19, 1933Temperature controlling deviceMARRISON WARREN A.BELL TELEPHONE LABORATORIES, INCORPORATED
1940097December 19, 1933Radio receiving systemOHL RUSSELL SBELL TELEPHONE LABOR INC
1940095December 19, 1933Coin collectorMELICK JOHN MBELL TELEPHONE LABOR INC
1940093December 19, 1933Electric musical instrumentLINDRIDGE CHARLES DBELL TELEPHONE LABOR INC
1940089December 19, 1933Phonograph record turntableHARRISON HENRY CBELL TELEPHONE LABOR INC
1940088December 19, 1933Sound picture record containerHARRISON HENRY CBELL TELEPHONE LABOR INC
1939725December 19, 1933Transmission circuitsPRUDEN HAROLD M ; WADSWORTH PAUL WBELL TELEPHONE LABOR INC
1939680December 19, 1933Voice operated circuitFISHER HAROLD JBELL TELEPHONE LABOR INC
1941253December 26, 1933Relay testing apparatusDOWD ANDREW DBELL TELEPHONE LABOR INC
1941116December 26, 1933Communication systemSTRIEBY MAURICE EBELL TELEPHONE LABOR INC
1941110December 26, 1933Electron discharge deviceRONCI VICTOR L ; CRAWFORD ALLEN IBELL TELEPHONE LABOR INC
1941085December 26, 1933Telephone systemHAGUE ALFRED E ; DRAPER JOHN BBELL TELEPHONE LABOR INC
1941074December 26, 1933Electric discharge deviceBOND DONALD S ; CADMUS KENNETH SBELL TELEPHONE LABOR INC
1941073December 26, 1933Pneumatic sound reproducerBLATTNER DAVID GBELL TELEPHONE LABOR INC
1943130January 9, 1934Telephone systemMACPHERSON HUGH DBELL TELEPHONE LABOR INC
1943115January 9, 1934Electrical insulation for magnetic bodiesELLIS WILLIAM CBELL TELEPHONE LABOR INC
1943104January 9, 1934Transmission control in signaling systemsBJORNSON BJORN G ; DOREN MITCHELLAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1943088January 9, 1934Rectifier systemPOWER JAMES RBELL TELEPHONE LABOR INC
1942501January 9, 1934Light-sensitive tubeSTILWELL GEORGE RBELL TELEPHONE LABOR INC
1942488January 9, 1934Electric wave filterOCH HENRY GBELL TELEPHONE LABOR INC
1942487January 9, 1934Telephone systemOAKES WILLIAM CBELL TELEPHONE LABOR INC
1942483January 9, 1934Phase shifting deviceMARRISON WARREN ABELL TELEPHONE LABOR INC
1942471January 9, 1934Operator's position equipmentBUCHANAN RUSSELL BBELL TELEPHONE LABOR INC
1944244January 23, 1934Telephone systemKORN FRANKLIN ABELL TELEPHONE LABOR INC
1944238January 23, 1934TelegraphoneHICKMAN CLARENCE NBELL TELEPHONE LABOR INC
1944218January 23, 1934Telegraph repeaterCATOGGE JOSEPH JBELL TELEPHONE LABOR INC
1944216January 23, 1934Signaling systemBURTON EVERETT TBELL TELEPHONE LABOR INC
1944215January 23, 1934Method of making bimetallic stockBURR GEORGE WBELL TELEPHONE LABOR INC
1944209January 23, 1934Transmission networkBODE HENDRIK WBELL TELEPHONE LABOR INC
1946261February 6, 1934Electromagnetic switching deviceZUPA FRANK ABELL TELEPHONE LABOR INC
1946228February 6, 1934Telephone systemMCKIM JAMES BBELL TELEPHONE LABOR INC
1946223February 6, 1934Translating deviceMASON WARREN PBELL TELEPHONE LABOR INC
1946216February 6, 1934Teletypewriter selector systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
1945558February 6, 1934Phonograph recording machineMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1947256February 13, 1934Antenna counterpoise systemFRIIS HARALD TBELL TELEPHONE LABOR INC
1947247February 13, 1934High frequency transmission systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1947209February 13, 1934Speech amplitude controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1947182February 13, 1934Constant frequency apparatusBETTS PHILANDER HBELL TELEPHONE LABOR INC
1947164February 13, 1934Phonograph reproducerMORRISON LOUIS ABELL TELEPHONE LABOR INC
1948981February 27, 1934Duplex communication systemCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1948977February 27, 1934Electric wave amplifierAIKEN CHARLES BBELL TELEPHONE LABOR INC
1948976February 27, 1934Electric wave amplifying systemWILSON IRA GBELL TELEPHONE LABOR INC
1948973February 27, 1934Wave transmission with narrowed bandSTEINBERG JOHN CBELL TELEPHONE LABOR INC
1948969February 27, 1934Electric switching deviceLANE CUTHBERT CBELL TELEPHONE LABOR INC
1948941February 27, 1934Electrooptical systemOLPIN ALBERT RBELL TELEPHONE LABOR INC
1950156March 6, 1934Method of making terminal connectionsSWOBODA ADOLPH RBELL TELEPHONE LABOR INC
1950143March 6, 1934Remote control deviceHAVILAND JOHN RBELL TELEPHONE LABOR INC
1950129March 6, 1934Telephone systemWILEY WHITNEYBELL TELEPHONE LABOR INC
1950127March 6, 1934Communication systemSTRIEBY MAURICE EBELL TELEPHONE LABOR INC
1950126March 6, 1934Cable conductor windingSTAPLES ROBERT TBELL TELEPHONE LABOR INC
1950123March 6, 1934Automatic selection of receiving channelsOHL RUSSELL SBELL TELEPHONE LABOR INC
1950109March 6, 1934Turntable for phonograph recordsHARRISON HENRY CBELL TELEPHONE LABOR INC
1949447March 6, 1934Card holderBECK WILLIAM OBELL TELEPHONE LABOR INC
1951918March 20, 1934Electrical bondingLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1951916March 20, 1934Printing telegraph exchange systemLANE CUTHBERT CBELL TELEPHONE LABOR INC
1951908March 20, 1934Resistance testing machineHAYFORD WALTER SBELL TELEPHONE LABOR INC
1951899March 20, 1934Geometrical instrumentBUDENBOM HORACE TBELL TELEPHONE LABOR INC
1951887March 20, 1934Telephone pay station apparatusTEMPLETON BRYCE O ; MILLS PERCY EBELL TELEPHONE LABOR INC
1952879March 27, 1934Direction finding systemMARTIN DE LOSS KBELL TELEPHONE LABOR INC
1952875March 27, 1934Multiconductor cableLIVINGSTON FRANK BBELL TELEPHONE LABOR INC
1952870March 27, 1934Telephone systemJORDAN WILLIAM CBELL TELEPHONE LABOR INC
1952861March 27, 1934Recording systemHARLEY JOHN BBELL TELEPHONE LABOR INC
1952859March 27, 1934Pneumatic receiving valveHAMPTON LEON N ; GIERTSEN OYVIND NBELL TELEPHONE LABOR INC
1952835March 27, 1934Telephone systemBLAKE FOSTER BBELL TELEPHONE LABOR INC
1952592March 27, 1934Electrooptical systemHORTON JOSEPH WBELL TELEPHONE LABOR INC
1952579March 27, 1934Wave translating systemBLACK KNOX CBELL TELEPHONE LABOR INC
1952578March 27, 1934Voice-operated circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
1952577March 27, 1934Mechanical amplifierBENNETT ARTHUR FBELL TELEPHONE LABOR INC
1953503April 3, 1934Crossbar switchREYNOLDS JOHN NBELL TELEPHONE LABOR INC
1953496April 3, 1934Long distance telephone systemNEBEL CHARLES NBELL TELEPHONE LABOR INC
1953487April 3, 1934Transmission control circuitsKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1953474April 3, 1934Telephone exchange systemFOWLER CLARENCE B ; GOODERHAM JOHN WBELL TELEPHONE LABOR INC
1953465April 3, 1934Distortion reduction in signaling systemsCHESNUT ROY WBELL TELEPHONE LABOR INC
1953459April 3, 1934Transmission networkBENNETT WILLIAM RBELL TELEPHONE LABOR INC
1954995April 17, 1934Process for metal-coating phonograph recordsHARRISON HENRY CBELL TELEPHONE LABOR INC
1954966April 17, 1934Sound translating deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
1954960April 17, 1934Method of joining thermoplastic insulationERNST STUDT ; KEMP ARCHIE R ; MALM FRANK SFELTEN & GUILLEAUME CARLSWERK
BELL TELEPHONE LABOR INC
1954958April 17, 1934Electric glow discharge lampSMYTHE EDWIN HBELL TELEPHONE LABOR INC
1954950April 17, 1934Apparatus for metallically coating phonograph recordsRUSSELL ALEXANDER GBELL TELEPHONE LABOR INC
1954943April 17, 1934Wave transmission networkNORTON EDWARD LBELL TELEPHONE LABOR INC
1955839April 24, 1934Electromagnetic switching deviceSLAUSON WILLIAM CBELL TELEPHONE LABOR INC
1955828April 24, 1934Wave translating systemEUGENE PETERSONBELL TELEPHONE LABOR INC
1955827April 24, 1934Wave translating systemEUGENE PETERSONBELL TELEPHONE LABOR INC
1955823April 24, 1934Electron discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
1955812April 24, 1934Electric meterKELLER ARTHUR CBELL TELEPHONE LABOR INC
1955801April 24, 1934Sound picture projectorGLUNT OMER M ; GENT EDGAR WBELL TELEPHONE LABOR INC
1955788April 24, 1934Transmission networkBODE HENDRIK WBELL TELEPHONE LABOR INC
1956744May 1, 1934Fire extinguisherMELICK JOHN MBELL TELEPHONE LABOR INC
1956715May 1, 1934Correction for changes in line transmissionGREEN CHARLES WBELL TELEPHONE LABOR INC
1956709May 1, 1934Calling circuitCOOKE LEIGHTON BBELL TELEPHONE LABOR INC
1956550May 1, 1934Incandescent lamp systemDAWSON WILFRID LBELL TELEPHONE LABOR INC
1956547May 1, 1934Repeatered transmission systemBLACK HAROLD SBELL TELEPHONE LABOR INC
1957953May 8, 1934Electrooptical systemFRANK GRAYBELL TELEPHONE LABOR INC
1957565May 8, 1934Alarm systemWHEELER CLYDE HBELL TELEPHONE LABOR INC
1957538May 8, 1934Electrical networkJENSEN AXEL GBELL TELEPHONE LABOR INC
1957519May 8, 1934Multiple radio receiving systemAIKEN CHARLES BBELL TELEPHONE LABOR INC
1957502May 8, 1934Multiplex telegraph systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
1957487May 8, 1934Multicore cable with thermoplastic insulationBUCKLEY OLIVER E ; MALM FRANK SBELL TELEPHONE LABOR INC
1957486May 8, 1934Electron emitterBECKER JOSEPH ABELL TELEPHONE LABOR INC
1958640May 15, 1934Multiunit relayREYNOLDS JOHN NBELL TELEPHONE LABOR INC
1958635May 15, 1934Sender testing systemOSCAR MYERSBELL TELEPHONE LABOR INC
1958626May 15, 1934Reeling deviceKRANTZ HUBERT KBELL TELEPHONE LABOR INC
1958620May 15, 1934Piezo-electric crystals having low temperature coefficients of frequencyHEISING RAYMOND ABELL TELEPHONE LABOR INC
1958616May 15, 1934Phonograph recording machineGENT EDGAR WBELL TELEPHONE LABOR INC
1958612May 15, 1934Photographic processDAWSON WILFRID LBELL TELEPHONE LABOR INC
1958611May 15, 1934Method of and system for testing signaling linesCURTIS AUSTEN MBELL TELEPHONE LABOR INC
1958598May 15, 1934Machine for preshaping and applying tapesTREBES BRUNO M. A.BELL TELEPHONE LABORATORIES, INCORPORATED
1958596May 15, 1934Control systemSTOLLER HUGH MBELL TELEPHONE LABOR INC
1960037May 22, 1934Telephone systemWILLIAMS SAMUEL B ; SCNDDER FREDERICK JBELL TELEPHONE LABOR INC
1960029May 22, 1934Electrodeposition of alloysRUSSELL ALEXANDER GBELL TELEPHONE LABOR INC
1960025May 22, 1934Process for the formation of recording blanksPATTERSON EVERETT M ; SHAW ALBERT DBELL TELEPHONE LABOR INC
1960011May 22, 1934Apparatus for making stereoscopic parallax panoramagramsIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
1960007May 22, 1934Phonograph reproducerHARRISON HENRY CBELL TELEPHONE LABOR INC
1959999May 22, 1934Magnetic materials and heat treatment thereofCHEGWIDDEN RAYMOND A ; GREINER EARL SBELL TELEPHONE LABOR INC
1959449May 22, 1934Synchronous motorSTOLLER HUGH MBELL TELEPHONE LABOR INC
1959438May 22, 1934Signal transmission controlMATHES ROBERT CBELL TELEPHONE LABOR INC
1959429May 22, 1934Crystal filterHOVGAARD OLE MBELL TELEPHONE LABOR INC
1959423May 22, 1934Feed mechanism for phonograph recordersHARRISON HENRY CBELL TELEPHONE LABOR INC
1959421May 22, 1934Conduit jointHARDESTY JAMES MBELL TELEPHONE LABOR INC
1959412May 22, 1934Telegraph circuitHARDESTY JAMES MBELL TELEPHONE LABOR INC
1959407May 22, 1934Transmission systemEDMOND BRUCEBELL TELEPHONE LABOR INC
1959405May 22, 1934Transmission controlBJORNSON BJORN GBELL TELEPHONE LABOR INC
1961410June 5, 1934Sound energy translating apparatusWEGEL RAYMOND LBELL TELEPHONE LABOR INC
1961407June 5, 1934Printing telegraph systemVERNAM GILBERT S ; LOCKE GEORGE AAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
1961393June 5, 1934Electron discharge deviceRONCI VICTOR L ; ERICSSON HARRY WBELL TELEPHONE LABOR INC
1961385June 5, 1934Signaling systemO'NEILL HENRY WBELL TELEPHONE LABOR INC
1961381June 5, 1934Voice operated circuitCOURTNEY NORWINE ANDREWBELL TELEPHONE LABOR INC
1961372June 5, 1934Electrical recordingMARRISON WARREN ABELL TELEPHONE LABOR INC
1961367June 5, 1934Method of and system for testing multichannel electrical circuitsKUHN JOHN JBELL TELEPHONE LABOR INC
1961357June 5, 1934Radio receiving systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
1961338June 5, 1934Photographic film processingJAMES CRABTREEBELL TELEPHONE LABOR INC
1961334June 5, 1934Signal shaping deviceBURTON EVERETT TBELL TELEPHONE LABOR INC
1961333June 5, 1934Finish testing method and apparatusROBERT BURNSBELL TELEPHONE LABOR INC
1962367June 12, 1934Motion picture system with soundSMYTHE EDWIN H.BELL TELEPHONE LABORATORIES, INCORPORATED
1962358June 12, 1934Magnetic separatorWILLIAM ORVISBELL TELEPHONE LABOR INC
1962354June 12, 1934Remote control of motorsLANE CUTHBERT CBELL TELEPHONE LABOR INC
1962333June 12, 1934Speed regulator systemTRUCKSESS DAVID EBELL TELEPHONE LABOR INC
1962312June 12, 1934Signaling systemKNOOP WILLIAM ABELL TELEPHONE LABOR INC
1962304June 12, 1934Electromagnetic translating deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
1963769June 19, 1934Telephone systemWILLIFORD OSCAR HBELL TELEPHONE LABOR INC
1963755June 19, 1934Electrical resistanceMEAD EDWARD DBELL TELEPHONE LABOR INC
1963754June 19, 1934Telephone systemMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
1963753June 19, 1934Sound motion picture systemMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1963751June 19, 1934Negative resistance deviceLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1963726June 19, 1934Single sideband modulatorTYNAN ANDREW GBELL TELEPHONE LABOR INC
1963723June 19, 1934Impedance transformerSTERBA ERNEST J.BELL TELEPHONE LABORATORIES, INCORPORATED
1963721June 19, 1934Writing shelfSMITH EDWARD MBELL TELEPHONE LABOR INC
1963719June 19, 1934Mechanical vibrating elementSCHELKUNOFF SERGEI ABELL TELEPHONE LABOR INC
1964606June 26, 1934Acoustic deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
1964604June 26, 1934Acoustic deviceSWICKARD ANDREW EBELL TELEPHONE LABOR INC
1964588June 26, 1934Telephone systemMCCANDLESS CLARENCE HBELL TELEPHONE LABOR INC
1964580June 26, 1934Scanning apparatusIVES HERBERT EBELL TELEPHONE LABOR INC
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1964505June 26, 1934Electromagnetic relayCUMMINGS GEORGE CBELL TELEPHONE LABOR INC
1965439July 3, 1934Regulated rectifier circuitSTOLLER HUGH M.BELL TELEPHONE LABORATORLES, INCORPORATED
1965423July 3, 1934Telephone substation apparatusLUM GEORGE R.BELL TELEPHONE LABORATORIES, INCORPORATED
1965421July 3, 1934Disconnect signalLOCKE GEORGE ABELL TELEPHONE LABOR INC
1965414July 3, 1934Sound picture recording systemFRANK HARDYBELL TELEPHONE LABOR INC
1965405July 3, 1934Acoustic deviceBLATTNER DAVID GBELL TELEPHONE LABOR INC
1965383July 3, 1934Station circuit for telegraph exchange systemsLANE CUTHBERT CBELL TELEPHONE LABOR INC
1965347July 3, 1934Direction control, switch for signaling systemsKNOOP WILLIAM ABELL TELEPHONE LABOR INC
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1966495July 17, 1934Telephone dial illuminatorMORRIS FRITTSBELL TELEPHONE LABOR INC
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1967250July 24, 1934Wave filterMASON WARREN PBELL TELEPHONE LABOR INC
1967249July 24, 1934High frequency amplifierMASON WARREN PBELL TELEPHONE LABOR INC
1967223July 24, 1934Vibration transmitting deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
1968460July 31, 1934Noise suppression circuitLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
1968457July 31, 1934Transmission of intelligence over wiresKNOOP WILLIAM ABELL TELEPHONE LABORATOIRES IN
1968450July 31, 1934Noise suppression circuitHEISING RAYMOND ABELL TELEPHONE LABORATOIRES IN
1968448July 31, 1934Sound measuring systemHARRISON HENRY CBELL TELEPHONE LABOR INC
1968447July 31, 1934Underground conduitHARDESTY JAMES MBELL TELEPHONE LABOR INC
1968438July 31, 1934Driving mechanism for sound recording and reproducing systemsELMER LLOYD ABELL TELEPHONE LABOR INC
1968435July 31, 1934Testing circuitBERTELS ARNOLD SBELL TELEPHONE LABOR INC
1968429July 31, 1934Sound picture apparatusSTOLLER HUGH MBELL TELEPHONE LABOR INC
1968420July 31, 1934Telephone systemPOWELL ALBERT CBELL TELEPHONE LABOR INC
1969571August 7, 1934Transmission networkMASON WARREN PBELL TELEPHONE LABOR INC
1969559August 7, 1934Acoustic deviceKELLY JOSEPH BBELL TELEPHONE LABOR INC
1969558August 7, 1934Electrooptical deviceIVES HERBERT EBELL TELEPHONE LABOR INC
1969529August 7, 1934TerminalSHAFER JR IRA CBELL TELEPHONE LABOR INC
1969525August 7, 1934Machine for working glassRONCI VICTOR LBELL TELEPHONE LABOR INC
1969496August 7, 1934Electric discharge deviceBEARDOW GEORGE MBELL TELEPHONE LABOR INC
1969488August 7, 1934Circuit controllerWAGAR HAROLD NBELL TELEPHONE LABOR INC
1970350August 14, 1934Transmission lineWEST JULIAN MBELL TELEPHONE LABOR INC
1970334August 14, 1934Transmission control circuitsNORWINE ANDREW CBELL TELEPHONE LABOR INC
1970329August 14, 1934Battery control circuitMARRISON WARREN ABELL TELEPHONE LABOR INC
1970325August 14, 1934Reduction of distortion in vacuum tube circuitsKREER JR JOHN GBELL TELEPHONE LABOR INC
1970316August 14, 1934Vacuum tube circuitsKALB ROBERT MBELL TELEPHONE LABOR INC
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1970311August 14, 1934Projection of images for viewing in stereoscopic reliefIVES HERBERT EBELL TELEPHONE LABOR INC
1970310August 14, 1934Electrooptical systemIVES HERBERT EBELL TELEPHONE LABOR INC
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1970938August 21, 1934Telegraph exchange systemKINKEAD FULLERTON S ; KNANDEL GEORGE JBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
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1971674August 28, 1934Electrooptical image productionBOLLMAN JOHN HBELL TELEPHONE LABOR INC
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1974090September 18, 1934Multiplex signaling systemWILSON IRA GBELL TELEPHONE LABOR INC
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1976548October 9, 1934Electrical communication systemFIELD JOSEPH CBELL TELEPHONE LABOR INC
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1976503October 9, 1934Impulse testing deviceFRANCIS KUCHASBELL TELEPHONE LABOR INC
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1976489October 9, 1934Electron discharge deviceOWEN GARGAN JOHNBELL TELEPHONE LABOR INC
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1978164October 23, 1934Wire splicing machineINWAGEN JR CHARLES L VAN ; MESCH ORWAR ABELL TELEPHONE LABOR INC
1979113October 30, 1934Sound recording and reproducing machineMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
1979112October 30, 1934Remote control systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
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1979054October 30, 1934Signaling systemSCHEER WILLIAM HBELL TELEPHONE LABOR INC
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1979273November 6, 1934Telegraph exchange systemLANE CUTHBERT C ; LOCKE GEORGE ABELL TELEPHONE LABSRATORIES IN
1980242November 13, 1934Telephone receiverWOLPERT FREDERICK SBELL TELEPHONE LABOR INC
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1980196November 13, 1934Electric discharge deviceGLASS MYRON SBELL TELEPHONE LABOR INC
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1980176November 13, 1934Unidirectional current passing deviceBECKER JOSEPH ABELL TELEPHONE LABOR INC
1980175November 13, 1934Telephone systemBEAUMONT WILLIAM MBELL TELEPHONE LABOR INC
1981793November 20, 1934Sound reproducerKELLER ARTHUR CBELL TELEPHONE LABOR INC
1981686November 20, 1934Vibration translating systemBOSTWICK LEE GBELL TELEPHONE LABOR INC
1981669November 20, 1934Electric discharge deviceRONCI VICTOR L ; CHARLES DEPEWBELL TELEPHONE LABOR INC
1981668November 20, 1934Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
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1981652November 20, 1934Method of coating electrodesLONG GEORGE EBELL TELEPHONE LABOR INC
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1985005December 18, 1934Vibration translating deviceWIEBUSCH CHARLES FBELL TELEPHONE LABOR INC
1984998December 18, 1934Mounting for electrical devicesERNEST SORENYBELL TELEPHONE LABOR INC
1984995December 18, 1934Testing deviceRUMPEL CARL HBELL TELEPHONE LABOR INC
1984993December 18, 1934Electron discharge deviceRONCI VICTOR L ; LAICO JOSEPH PBELL TELEPHONE LABOR INC
1984992December 18, 1934Electron discharge deviceRONCI VICTOR L ; CLARK JAMES EBELL TELEPHONE LABOR INC
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1986536January 1, 1935APPARATUS FOR METALLICALLY COATING PHONOGRAPH RECORDSRUSSELL ALEXANDER G.BELL TELEPHONE LABORATORIES, INCORPORATED
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1986533January 1, 1935Apparatus for coating filamentary materialRONCI VICTOR L ; WILSON JAMES R ; CHARLES DEPEWBELL TELEPHONE LABOR INC
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1988006January 15, 1935Direction finding systemGREIG JOHN W.BELL TELEPHONE LABORATORIES, INCORPORATED
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1992271February 26, 1935Automatic stock quotation systemWILLIAMS SAMUEL B.BELL TELEPHONE LABORATORIES, INCORPORATED
1992267February 26, 1935Glow discharge deviceWEINHART HOWARD W.BELL TELEPHONE LABORATORIES, INCORPORATED
1992234February 26, 1935Apparatus for cleaning phonograph recordsPATTERSON EVERETT M.BELL TELEPHONE LABORATORIES, INCORPORATED
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1993768March 12, 1935Acoustic deviceATKINS GEORGE E.BELL TELEPHONE LABORATORIES, INCORPORATED
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1996516April 2, 1935Printing telegraph private branch exchange systemKINKEAD FULLERTON S.BELL TELEPHONE LABORATORIES, INCORPORATED
1996511April 2, 1935Phonograph reproducing systemHARRISON HENRY C.BELL TELEPHONE LABORATORIES, INCORPORATED
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2003959June 4, 1935Guy shieldST JOHN EVERETTBELL TELEPHONE LABOR INC
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2021329November 19, 1935Switching mechanismREYNOLDS JOHN NBELL TELEPHONE LABOR INC
2021308November 19, 1935Coin detection systemHENRY HOVLANDBELL TELEPHONE LABOR INC
2021291November 19, 1935Telephone systemCLARK EDGAR H ; SCUDDER FREDERICK JBELL TELEPHONE LABOR INC
2021287November 19, 1935Telephone systemBUTZ EDWARD D ; KOECHLING CHARLES DBELL TELEPHONE LABOR INC
2021286November 19, 1935Telephone systemBUTZ EDWARD DBELL TELEPHONE LABOR INC
2021276November 19, 1935Spring winding machineWEINHART HOWARD WBELL TELEPHONE LABOR INC
2022060November 26, 1935Acoustic deviceSWICKARD ANDREW EBELL TELEPHONE LABOR INC
2022059November 26, 1935Terminal strip deviceSTOCKFLETH SIGURD JBELL TELEPHONE LABOR INC
2022053November 26, 1935Combined telephone and telegraph systemPRUDEN HAROLD MBELL TELEPHONE LABOR INC
2022052November 26, 1935Belt driveMORTON EDMUND RBELL TELEPHONE LABOR INC
2022051November 26, 1935Interpolating telegraph receiving systemLOCKE GEORGE ABELL TELEPHONE LABOR INC
2022030November 26, 1935Signaling systemDIMOND THOMAS LBELL TELEPHONE LABOR INC
2022021November 26, 1935Cleaning toolWHEELER CLYDE HBELL TELEPHONE LABOR INC
2021920November 26, 1935Control circuitsNORWINE ANDREW CBELL TELEPHONE LABOR INC
2023011December 3, 1935Telephone systemDUNHAM BERT GBELL TELEPHONE LABOR INC
2023010December 3, 1935Electrical counting systemDIMOND THOMAS LBELL TELEPHONE LABOR INC
2022991December 3, 1935Alarm transmitting systemWALTER ORVILLE LBELL TELEPHONE LABOR INC
2022977December 3, 1935Joint in line wiresQUARLES DONALD ABELL TELEPHONE LABOR INC
2022972December 3, 1935Variable gain amplifierNEBEL CHARLES NBELL TELEPHONE LABOR INC
2022971December 3, 1935Coin collector apparatusMILLS PERCY EBELL TELEPHONE LABOR INC
2022969December 3, 1935Electrical wave productionMEACHAM LARNED ABELL TELEPHONE LABOR INC
2022968December 3, 1935Frequency changing systemMAY DAVID TBELL TELEPHONE LABOR INC
2022964December 3, 1935Mounting for electrical devicesJONES EDWARD HBELL TELEPHONE LABOR INC
2023606December 10, 1935Automatic disconnect systemJOHN MESZARBELL TELEPHONE LABOR INC
2023592December 10, 1935Coin chuteHOYT FREDERICK ABELL TELEPHONE LABOR INC
2023589December 10, 1935Switching mechanismHERSEY RALPH EBELL TELEPHONE LABOR INC
2023581December 10, 1935Sound picture projectorGLUNT OMER MBELL TELEPHONE LABOR INC
2023494December 10, 1935Apparatus for the automatic grinding of crystalsSTRIEBY MAURICE EBELL TELEPHONE LABOR INC
2024609December 17, 1935Sound picture systemSMYTHE EDWIN HBELL TELEPHONE LABOR INC
2024608December 17, 1935Sound and picture systemSMYTHE EDWIN HBELL TELEPHONE LABOR INC
2024601December 17, 1935Artificial larynxRIESZ ROBERT RBELL TELEPHONE LABOR INC
2024592December 17, 1935Telephone systemMCKIM JAMES BBELL TELEPHONE LABOR INC
2024585December 17, 1935Manufacture of electron discharge devicesLAICO JOSEPH PBELL TELEPHONE LABOR INC
2024581December 17, 1935Telegraph toll systemKINKEAD FULLERTON S ; LOCKE GEORGE ABELL TELEPHONE LABOR INC
2024580December 17, 1935Communication systemKINKEAD FULLERTON S ; CORWIN THOMAS LBELL TELEPHONE LABOR INC
2024576December 17, 1935Electrical wave filterGROSSMAN ALEXANDER JBELL TELEPHONE LABOR INC
2024571December 17, 1935Flow meterGENT EDGAR WBELL TELEPHONE LABOR INC
2025407December 24, 1935Electrical recorderWILLIAMS SAMUEL BBELL TELEPHONE LABOR INC
2025400December 24, 1935Volume control circuitsRING DOUGLAS HBELL TELEPHONE LABOR INC
2025390December 24, 1935Telephone pay station equipmentHOYT FREDERICK ABELL TELEPHONE LABOR INC
2025389December 24, 1935Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
2025388December 24, 1935Sound reproducing systemHENNING HARLEY ABELL TELEPHONE LABOR INC
2025380December 24, 1935Electric connecter deviceCRUSER VICTOR IBELL TELEPHONE LABOR INC
2025374December 24, 1935Sound transmitting systemBOSTWICK LEE GBELL TELEPHONE LABOR INC
2025075December 24, 1935Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2026319December 31, 1935AmplifierMURPHY ORLANDO JBELL TELEPHONE LABOR INC
2026316December 31, 1935Impregnation of insulating materialsKOHMAN GIRARD TBELL TELEPHONE LABOR INC
2026308December 31, 1935Balanced inductance deviceGANZ ALBERT GBELL TELEPHONE LABOR INC
2026305December 31, 1935Transmission control in signaling systemsFISHER HAROLD JBELL TELEPHONE LABOR INC
2026303December 31, 1935Connecting deviceCURRAN STANLEY TBELL TELEPHONE LABOR INC
2026298December 31, 1935Revolving chairBOUMAN BERNHARD MBELL TELEPHONE LABOR INC
2027207January 7, 1936Sound picture apparatusSMYTHE EDWIN HBELL TELEPHONE LABOR INC
2027197January 7, 1936Trunk circuitPOWELL ALBERT CBELL TELEPHONE LABOR INC
2027194January 7, 1936Telephone systemOSCAR MYERSBELL TELEPHONE LABOR INC
2027181January 7, 1936Sealing-in machineLAICO JOSEPH PBELL TELEPHONE LABOR INC
2027180January 7, 1936Electron discharge deviceLAICO JOSEPH PBELL TELEPHONE LABOR INC
2027169January 7, 1936Vibration translating deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
2027168January 7, 1936Vibration translating deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
2027142January 7, 1936Telephone exchange systemALLISON SEWELL W ; MCKIM JAMES BBELL TELEPHONE LABOR INC
2028237January 21, 1936Locking deviceOCH HENRY GBELL TELEPHONE LABOR INC
2028212January 21, 1936Radio transmitting systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
2028210January 21, 1936Coin collecting apparatusHARVEY WILLIAM HBELL TELEPHONE LABOR INC
2028195January 21, 1936Telephone systemDIMOND THOMAS LBELL TELEPHONE LABOR INC
2028194January 21, 1936Printing telegraph systemCORWIN THOMAS LBELL TELEPHONE LABOR INC
2028190January 21, 1936Impact testing device and methodROBERT BURNSBELL TELEPHONE LABOR INC
2028180January 21, 1936Acoustic materialsARNOLD HAROLD DBELL TELEPHONE LABOR INC
2028171January 21, 1936LockSHANN OSCAR ABELL TELEPHONE LABOR INC
2029113January 28, 1936Telephone coin collectorMILLS PERCY EBELL TELEPHONE LABOR INC
2029041January 28, 1936Loaded transmission lineSTRIEBY MAURICE EBELL TELEPHONE LABOR INC
2029040January 28, 1936Photo-electric tubeSTILWELL GEORGE RBELL TELEPHONE LABOR INC
2029030January 28, 1936Testing systemLOW FRANK KBELL TELEPHONE LABOR INC
2029018January 28, 1936Telephone systemCRUICKSHANK JOHN EBELL TELEPHONE LABOR INC
2029014January 28, 1936Wave transmission networkBODE HENDRIK WBELL TELEPHONE LABOR INC
2029723February 4, 1936Signaling systemJOHNSON LEWIS H ; LOW FRANK KBELL TELEPHONE LABOR INC
2029710February 4, 1936Selective signaling systemFIELD JOSEPH CBELL TELEPHONE LABOR INC
2029699February 4, 1936Alarm systemBOWNE LANGFORD JBELL TELEPHONE LABOR INC
2029698February 4, 1936Wave transmission networkBODE HENDRIK WBELL TELEPHONE LABOR INC
2029693February 4, 1936Telephone systemANDERSON LYNN T ; LOW FRANK KBELL TELEPHONE LABOR INC
2029683February 4, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2030460February 11, 1936Electric resistance deviceMORTON EDMUND RBELL TELEPHONE LABOR INC
2030421February 11, 1936Tuned vibrating systemTHORALF AAMODTBELL TELEPHONE LABOR INC
2030419February 11, 1936Telephone exchange systemWILLIAMS SAMUEL BBELL TELEPHONE LABOR INC
2030416February 11, 1936Telephone systemVIBBARD EDWARD LBELL TELEPHONE LABOR INC
2030415February 11, 1936Telephone systemVIBBARD EDWARD LBELL TELEPHONE LABOR INC
2030412February 11, 1936Telephone exchange systemSTEARN FRANKLIN ABELL TELEPHONE LABOR INC
2030400February 11, 1936Control circuitROSENE VICTOR EBELL TELEPHONE LABOR INC
2032218February 25, 1936Coin collector apparatusMELICK JOHN MBELL TELEPHONE LABOR INC
2032194February 25, 1936Vibration translating deviceWIEBUSCH CHARLES FBELL TELEPHONE LABOR INC
2032191February 25, 1936Circuit controllerTROMP GERARD P ; PAUL NEILLBELL TELEPHONE LABOR INC
2031980February 25, 1936Gain control circuitROMNES HAAKON IBELL TELEPHONE LABOR INC
2031952February 25, 1936Electrooptical systemHORTON JOSEPH WBELL TELEPHONE LABOR INC
2031951February 25, 1936Burglar alarm systemHARTLEY RALPH V LBELL TELEPHONE LABOR INC
2031948February 25, 1936Vibration damping deviceHARRISON HENRY CBELL TELEPHONE LABOR INC
2031945February 25, 1936Electrical deviceGLUNT OMER MBELL TELEPHONE LABOR INC
2031942February 25, 1936Control circuitDUGUID JAMES M ; SOLE JOHN HBELL TELEPHONE LABOR INC
2031934February 25, 1936Printing telegraph systemCORWIN THEMAS LBELL TELEPHONE LABOR INC
2031922February 25, 1936Telephone systemBONOMI FELIX ABELL TELEPHONE LABOR INC
2031919February 25, 1936Amplifying systemBENNETT ARTHUR F ; GORDON JR MALCOLM KBELL TELEPHONE LABOR INC
2031598February 25, 1936Electrooptical systemFRANK GRAYBELL TELEPHONE LABOR INC
2032865March 3, 1936Piezoelectric crystal apparatusBICLING CARL ABELL TELEPHONE LABOR INC
2032517March 3, 1936Coin collecting deviceWHEELER CLYDE HBELL TELEPHONE LABOR INC
2032454March 3, 1936Coin collectorWHEELER CLYDE HBELL TELEPHONE LABOR INC
2032421March 3, 1936Teletypewriter systemKRECEK JOSEPH ABELL TELEPHONE LABOR INC
2033309March 10, 1936Electrolytic condenserSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
2033287March 10, 1936Switching deviceKILLE LINDLEY ABELL TELEPHONE LABOR INC
2033284March 10, 1936Phonograph reproducerHARRISON HENRY CBELL TELEPHONE LABOR INC
2033283March 10, 1936Signaling systemGRAY CECIL RBELL TELEPHONE LABOR INC
2033282March 10, 1936Composite signaling systemGODDARD MYRON CBELL TELEPHONE LABOR INC
2033278March 10, 1936Vacuum tube amplifierFAY CLIFFORD EBELL TELEPHONE LABOR INC
2033277March 10, 1936Film driving mechanism for sound picture systemsELMER LLOYD A ; MAC-DOUGALL HARRY WBELL TELEPHONE LABOR INC
2033274March 10, 1936AmplifierBURTON EVERETT TBELL TELEPHONE LABOR INC
2033271March 10, 1936Common frequency broadcasting systemAIKEN CHARLES BBELL TELEPHONE LABOR INC
2033136March 10, 1936Wave translation systemFERRELL ENOCH BBELL TELEPHONE LABOR INC
2033963March 17, 1936Wave translating systemWARE LAWRENCE ABELL TELEPHONE LABOR INC
2033956March 17, 1936Electrical transmission circuitRUMPEL CARL HBELL TELEPHONE LABOR INC
2033917March 17, 1936Electric wave amplifying systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2035280March 24, 1936Coin collectorSHANN OSCAR ABELL TELEPHONE LABOR INC
2035263March 24, 1936Volume control systemCUSHMAN ROBERT W ; HILL HENRY EBELL TELEPHONE LABOR INC
2035261March 24, 1936Electrical wave filterCICCOLELLA DAVID FBELL TELEPHONE LABOR INC
2035258March 24, 1936Wave filterBODE HENDRIK W.BELL TELEPHONE LABORATORIES, INCORPORATED
2034928March 24, 1936Cable shieldST JOHN EVERETTBELL TELEPHONE LABOR INC
2034883March 24, 1936Telephone systemSCUDDER FREDERICK JBELL TELEPHONE LABOR INC
2034881March 24, 1936Electromagnetic relay circuitsSCHEER WILLIAM HBELL TELEPHONE LABOR INC
2034879March 24, 1936Resilience and stiffness testing deviceRONCI VICTOR L ; HALE DOUGLAS A SBELL TELEPHONE LABOR INC
2034874March 24, 1936Signaling systemLOW FRANK KBELL TELEPHONE LABOR INC
2034872March 24, 1936Phonograph reproducerKELLER ARTHUR CBELL TELEPHONE LABOR INC
2034866March 24, 1936Switching deviceHARVEY WILLIAM HBELL TELEPHONE LABOR INC
2034857March 24, 1936Carrier repeater systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2034856March 24, 1936Carrier wave transmission systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2034846March 24, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2034760March 24, 1936Electrooptical image productionIVES HERBERT EBELL TELEPHONE LABOR INC
2034708March 24, 1936Remote control apparatusBROWNE BENNIE O ; HOWARD MORRISONBELL TELEPHONE LABOR INC
2034703March 24, 1936Transmission control in signaling systemsMETZGER FREDERICK WBELL TELEPHONE LABOR INC
2036079March 31, 1936Circuit for voice frequency ringing and for voice frequency currentPULLIS GEORGE ABELL TELEPHONE LABOR INC
2036078March 31, 1936Generator of interrupted wavePRUDEN HAROLD MBELL TELEPHONE LABOR INC
2036059March 31, 1936Testing equipmentLANG WILMARTH YBELL TELEPHONE LABOR INC
2036055March 31, 1936Telephone systemKOECHLING CHARLES DBELL TELEPHONE LABOR INC
2036045March 31, 1936ShieldingHARRIS HENRY JBELL TELEPHONE LABOR INC
2036037March 31, 1936Telephone call transmitterGOFF HAROLD WBELL TELEPHONE LABOR INC
2036023March 31, 1936Telephone systemCURL HERBERT CBELL TELEPHONE LABOR INC
2036010March 31, 1936Mounting for acoustic devicesATKINS GEORGE EBELL TELEPHONE LABOR INC
2035473March 31, 1936PhonographHARRISON HENRY CBELL TELEPHONE LABOR INC
2037471April 14, 1936Electrooptical systemIVES HERBERT E ; FRANK GRAYBELL TELEPHONE LABOR INC
2037193April 14, 1936Teletypewriter switchboardBURGESS ALFRED A ; KNOWLTON ALFRED DBELL TELEPHONE LABOR INC
2037187April 14, 1936Sound translating deviceWENTE EDWARD CBELL TELEPHONE LABOR INC
2037185April 14, 1936Sound translating deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
2037183April 14, 1936Carrier line power supplySTRIEBY MAURICE EBELL TELEPHONE LABOR INC
2037174April 14, 1936Coin collectorMILLS PERCY E ; SHANN OSCAR ABELL TELEPHONE LABOR INC
2037171April 14, 1936Wave filterLANE CLARENCE EBELL TELEPHONE LABOR INC
2037167April 14, 1936Electrooptical systemIVES HERBERT EBELL TELEPHONE LABOR INC
2037166April 14, 1936Electrooptical systemHEFELE JOHN RBELL TELEPHONE LABOR INC
2037165April 14, 1936Vibration translating deviceHARRISON HENRY C ; KELLER ARTHUR C ; POLLARD CHARLES EBELL TELEPHONE LABOR INC
2037162April 14, 1936Camera supporting and controlling deviceGENT EDGAR WBELL TELEPHONE LABOR INC
2037161April 14, 1936Apparatus for the optical calibration of timepiecesFETTER CHARLES H ; MORTON EDMUND R ; STOLLER HUGH MELECTRICAL RES PROD INC
BELL TELEPHONE LABOR INC
2038303April 21, 1936Signaling systemMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
2038279April 21, 1936Coin collecting apparatusGIERTSEN OYVIND NBELL TELEPHONE LABOR INC
2038277April 21, 1936Electrical meterGENT EDGAR WBELL TELEPHONE LABOR INC
2038246April 21, 1936Asymmetrical conducting deviceSMITH GEORGE OBELL TELEPHONE LABOR INC
2038240April 21, 1936Transmission systemSCHELKUNOFF SERGEI ABELL TELEPHONE LABOR INC
2038222April 21, 1936Telephone systemKING GERALD VBELL TELEPHONE LABOR INC
2038216April 21, 1936Support for vibration translating devicesHARRISON HENRY C ; KELLER ARTHUR CBELL TELEPHONE LABOR INC
2038202April 21, 1936Carrier wave systemWEIS JR CHARLES LBELL TELEPHONE LABOR INC
2038201April 21, 1936LockSHANN OSCAR ABELL TELEPHONE LABOR INC
2038199April 21, 1936Signal transmission circuitRESSLER RALPH EBELL TELEPHONE LABOR INC
2039015April 28, 1936Telephone systemMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
2039001April 28, 1936Testing systemHURST GEORGE A ; RETALLACK JOHN BBELL TELEPHONE LABOR INC
2038992April 28, 1936Modulating system for ultra short wavesCHAFFEE JOSEPH GBELL TELEPHONE LABOR INC
2039668May 5, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2039655May 5, 1936Method of outgassing and purifying electrically conductive bodiesMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
2039654May 5, 1936Telephone systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
2039644May 5, 1936Selective switchGLEASON DANIEL H ; REDMOND FREDERIC JBELL TELEPHONE LABOR INC
2039640May 5, 1936Switching systemFERGUSON JAMES GBELL TELEPHONE LABOR INC
2039637May 5, 1936Electric discharge deviceDIMOND THOMAS LBELL TELEPHONE LABOR INC
2039631May 5, 1936Test circuitORFEO CESAREOBELL TELEPHONE LABOR INC
2039630May 5, 1936Selective switchBURWELL JOHN ABELL TELEPHONE LABOR INC
2039629May 5, 1936Telegraph repeaterBURTON EVERETT TBELL TELEPHONE LABOR INC
2039625May 5, 1936Acoustic deviceNELSON BLOUNTBELL TELEPHONE LABOR INC
2040334May 12, 1936Cross bar switchREYNOLDS JOHN NBELL TELEPHONE LABOR INC
2040316May 12, 1936Telephone systemLAMBERTY FREDERICK R ; DAMME LOUIS E VANBELL TELEPHONE LABOR INC
2040314May 12, 1936Treatment of rubberKEMP ARCHIE RBELL TELEPHONE LABOR INC
2040291May 12, 1936Telephone systemBONOMI FELIX ABELL TELEPHONE LABOR INC
2041487May 19, 1936Artificial larynxRIESZ ROBERT RBELL TELEPHONE LABOR INC
2041378May 19, 1936High frequency transmission systemSMITH PHILLIP HBELL TELEPHONE LABOR INC
2041157May 19, 1936Acoustic deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
2041127May 19, 1936TelevisionFRANK GRAYBELL TELEPHONE LABOR INC
2041122May 19, 1936Transmission control systemFAY CLIFFORD EBELL TELEPHONE LABOR INC
2041100May 19, 1936Electrical connecterWILSON JR HENRY DBELL TELEPHONE LABOR INC
2041098May 19, 1936Wave transmission networkHORACE WHITTLEBELL TELEPHONE LABOR INC
2041096May 19, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2041090May 19, 1936Grouping circuitSAUL GEORGE N ; SHIEL JOHN BBELL TELEPHONE LABOR INC
2041084May 19, 1936Telephone systemOSCAR MYERSBELL TELEPHONE LABOR INC
2041083May 19, 1936Telephone systemOSCAR MYERSBELL TELEPHONE LABOR INC
2041888May 26, 1936Coin collector apparatusWHEELER CLYDE HBELL TELEPHONE LABOR INC
2041879May 26, 1936Telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
2041875May 26, 1936Multiple speed motorSTOLLER HUGH MBELL TELEPHONE LABOR INC
2041873May 26, 1936Switching systemSPENCER THOMAS ABELL TELEPHONE LABOR INC
2041855May 26, 1936Frequency controlOHL RUSSELL SBELL TELEPHONE LABOR INC
2041850May 26, 1936Detachable hingeMELICK JOHN MBELL TELEPHONE LABOR INC
2041822May 26, 1936Electrooptical systemDOWD ANDREW DBELL TELEPHONE LABOR INC
2041802May 26, 1936Electron emitterWILSON JAMES R ; ACKER JOHN T ; HARTMAN CHARLES DBELL TELEPHONE LABOR INC
2042869June 2, 1936Code calling systemSMITH PERCY CBELL TELEPHONE LABOR INC
2042848June 2, 1936CabinetHORN IRVIN RBELL TELEPHONE LABOR INC
2042844June 2, 1936Coin receptacleHARVEY WILLIAM HBELL TELEPHONE LABOR INC
2042840June 2, 1936Storage batteryHARING HORACE EBELL TELEPHONE LABOR INC
2042828June 2, 1936Telephone systemBUCHANAN RUSSELL B ; KILLE LINDLEY ABELL TELEPHONE LABOR INC
2042822June 2, 1936Telephone transmitterBENNETT ARTHUR F ; TUFFNELL WILLIAM LBELL TELEPHONE LABOR INC
2042821June 2, 1936Telephone transmitterBENNETT ARTHUR FBELL TELEPHONE LABOR INC
2042562June 2, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2042561June 2, 1936Telephone systemSTOKELY RAY LBELL TELEPHONE LABOR INC
2042530June 2, 1936Submarine signaling cableJACOBS OLIVER BBELL TELEPHONE LABOR INC
2043355June 9, 1936Carrier telegraph receiverMELHUISH LAWRENCE EBELL TELEPHONE LABOR INC
2043354June 9, 1936Film feeding mechanismMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
2043348June 9, 1936Communication systemCURL HERBERT CBELL TELEPHONE LABOR INC
2043346June 9, 1936Submarine cable loading coilBUCKLEY OLIVER EBELL TELEPHONE LABOR INC
2043345June 9, 1936Wave transmission networkSTEPHEN BOBISBELL TELEPHONE LABOR INC
2044369June 16, 1936Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2044061June 16, 1936Radio repeating system for ultra-short wavesCRAWFORD ARTHUR BBELL TELEPHONE LABOR INC
2044047June 16, 1936Wave transmission networkSTEPHEN BOBISBELL TELEPHONE LABOR INC
2044037June 16, 1936Coin collector apparatusWHEELER CLYDE HBELL TELEPHONE LABOR INC
2044000June 16, 1936Mechanical vibrating systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
2045450June 23, 1936Signaling systemDIMOND THOMAS LBELL TELEPHONE LABOR INC
2045438June 23, 1936Control apparatusCIOFFI PAUL PBELL TELEPHONE LABOR INC
2045414June 23, 1936Timing apparatusRUMPEL CARL HBELL TELEPHONE LABOR INC
2045409June 23, 1936ElectromagnetREDMOND FREDERIC J ; REYNOLDS JOHN NBELL TELEPHONE LABOR INC
2045402June 23, 1936Signaling systemOSCAR MYERSBELL TELEPHONE LABOR INC
2044763June 23, 1936Maintaining cable sheathBOUTON GEORGE M ; SCHUMACHER EARLE EBELL TELEPHONE LABOR INC
2046057June 30, 1936Multiplex transmission systemBURTON EVERETT TBELL TELEPHONE LABOR INC
2046020June 30, 1936Electric discharge deviceGARGAN JOHN O ; YOUNG FREDERICK WBELL TELEPHONE LABOR INC
2045991June 30, 1936Wave filterMASON WARREN PBELL TELEPHONE LABOR INC
2045971June 30, 1936Switching mechanismSTOCKFLETH SIGURD JBELL TELEPHONE LABOR INC
2046723July 7, 1936Film driving apparatusBROWNSCOMBE PHILIP JBELL TELEPHONE LABOR INC
2046719July 7, 1936Protective systemBLOUNT FRANK EBELL TELEPHONE LABOR INC
2046707July 7, 1936Electric conductorSWOBODA ADOLPH RBELL TELEPHONE LABOR INC
2046705July 7, 1936Electromagnetic deviceSTOLLER HUGH MBELL TELEPHONE LABOR INC
2046704July 7, 1936Owen bridgeTHADDEUS SLONCZEWSKIBELL TELEPHONE LABOR INC
2046698July 7, 1936Signaling devicePOWER JAMES RBELL TELEPHONE LABOR INC
2046697July 7, 1936Record projectorHARRY PFANNENSTICHLBELL TELEPHONE LABOR INC
2046695July 7, 1936Record projectorMOTTRAM ELLIOTT TBELL TELEPHONE LABOR INC
2046686July 7, 1936Asymmetrical electrical conductorKANNENBERG WALTER FBELL TELEPHONE LABOR INC
2047796July 14, 1936Resistance deviceOGG ROBERT ABELL TELEPHONE LABOR INC
2047782July 14, 1936Electrical measuring systemJENSEN AXEL GBELL TELEPHONE LABOR INC
2047781July 14, 1936Telephone supervisory systemHILL HENRY EBELL TELEPHONE LABOR INC
2047758July 14, 1936Art of securing adherence of finishes to metal and other materialsWERRING WALTER W ; HUXHAM TREVOR SBELL TELEPHONE LABOR INC
2047733July 14, 1936Constant speed driveHARRISON HENRY CBELL TELEPHONE LABOR INC
2047731July 14, 1936Inductive deviceGREENIDGE RALPH M CBELL TELEPHONE LABOR INC
2047729July 14, 1936Transmission control in two-way signaling systemsFISHER HAROLD JBELL TELEPHONE LABOR INC
2047387July 14, 1936Holder for piezoelectric crystalsSCOTT HERBERT JBELL TELEPHONE LABOR INC
2047383July 14, 1936Switching mechanismREYNOLDS JOHN NBELL TELEPHONE LABOR INC
2047371July 14, 1936Photoelectric tubeIVES HERBERT EBELL TELEPHONE LABOR INC
2048539July 21, 1936Telephone coin collectorCURRAN STANLEY TBELL TELEPHONE LABOR INC
2048508July 21, 1936Pneumatic sound reproducerMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
2048506July 21, 1936Telephone systemPHILIP HUSTABELL TELEPHONE LABOR INC
2048500July 21, 1936Sound recordingGLUNT OMER MBELL TELEPHONE LABOR INC
2048497July 21, 1936Motion picture filmELMER LLOYD A ; SHEA TIMOTHY EBELL TELEPHONE LABOR INC
2049195July 28, 1936Gain control circuitCHESNUT ROY WBELL TELEPHONE LABOR INC
2049183July 28, 1936Telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
2049179July 28, 1936Frequency generator systemBURRELL STALLARDBELL TELEPHONE LABOR INC
2049177July 28, 1936Frequency generating systemRUMPEL CARL HBELL TELEPHONE LABOR INC
2049174July 28, 1936Telephone coin collectorPARSONS LOREN EBELL TELEPHONE LABOR INC
2049170July 28, 1936Coin collector apparatusMILLS PERCY E.BELL TELEPHONE LABORATORIES, INCORPORATED
2049948August 4, 1936Protective means for electric circuitsCUSHMAN ROBERT A ; YOUNG LAWRENCE GBELL TELEPHONE LABOR INC
2049941August 4, 1936Transmission control in two-way signaling systemsBJORNSON BJORN GBELL TELEPHONE LABOR INC
2049917August 4, 1936Electrooptical systemMALLINA RUDOLPH FBELL TELEPHONE LABOR INC
2050722August 11, 1936Telephone systemMCKIM JAMES BBELL TELEPHONE LABOR INC
2050703August 11, 1936Transmission system regulationJOHNSON JOHN BBELL TELEPHONE LABOR INC
2050633August 11, 1936Constant temperature deviceBURRELL STALLARDBELL TELEPHONE LABOR INC
2050610August 11, 1936Telephone toll switchingJACOBS OLIVER BBELL TELEPHONE LABOR INC
2050601August 11, 1936Method of treating copper base alloysELLIS WILLIAM CBELL TELEPHONE LABOR INC
2050363August 11, 1936Synchronizing systemMORTON EDMUND RBELL TELEPHONE LABOR INC
2052338August 25, 1936Filtering circuitBUDENBOM HORACE TBELL TELEPHONE LABOR INC
2052319August 25, 1936Switching deviceSIEGMUND HUMPHREYS OBELL TELEPHONE LABOR INC
2052298August 25, 1936Electrooptical systemIVES HERBERT EBELL TELEPHONE LABOR INC
2052273August 25, 1936Remote control circuitBLOUNT FRANK EBELL TELEPHONE LABOR INC
2054008September 8, 1936Electrical protective systemKASSON SWART LELAND ; DRENNER TEBO JULIANAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
2055208September 22, 1936Electrical wave productionRUMPEL CARL HBELL TELEPHONE LABOR INC
2055189September 22, 1936Telephone loading unit and method of balancing sameWORCESTER JOSEPH ABELL TELEPHONE LABOR INC
2055187September 22, 1936Phonograph reproducerLEONARD VIETHBELL TELEPHONE LABOR INC
2055185September 22, 1936Method of forming containersTEMPLETON BRYCE OBELL TELEPHONE LABOR INC
2054794September 22, 1936Wave filterDIETZOLD ROBERT L.BELL TELEPHONE LABORATORIES, INCORPORATED
2054790September 22, 1936Signaling systemCURTIS AUSTEN MBELL TELEPHONE LABOR INC
2054789September 22, 1936Communication systemCHESNUT ROY W ; CRANE RALPH E ; HUBER GEORGE HBELL TELEPHONE LABOR INC
2055662September 29, 1936Modulating systemMATHES ROBERT CBELL TELEPHONE LABOR INC
2055659September 29, 1936Telephone systemJOHNSTON DONALD FBELL TELEPHONE LABOR INC
2055656September 29, 1936Switching deviceFERGUSON JAMES GBELL TELEPHONE LABOR INC
2055655September 29, 1936Electron lensDAVISSON CLINTON JBELL TELEPHONE LABOR INC
2055652September 29, 1936Telephone systemBUTZ EDWARD DBELL TELEPHONE LABOR INC
2055647September 29, 1936Telephone line systemBOWNE LANGFORD JBELL TELEPHONE LABOR INC
2055638September 29, 1936Communication systemSTAPLES ELLIOT MBELL TELEPHONE LABOR INC
2056912October 6, 1936Circuits for resetting gaseous discharge devicesSWART LELAND KBELL TELEPHONE LABOR INC
2056306October 6, 1936Alarm systemTRUCKSESS DAVID EBELL TELEPHONE LABOR INC
2056300October 6, 1936Acoustic deviceSHOWER EDMUND GBELL TELEPHONE LABOR INC
2056295October 6, 1936Electrical artificial larynxRIESZ ROBERT RBELL TELEPHONE LABOR INC
2056284October 6, 1936Signaling method and apparatusMACCOLL LE ROY ABELL TELEPHONE LABOR INC
2056281October 6, 1936Wave filterEMORY LAKATOSBELL TELEPHONE LABOR INC
2056242October 6, 1936Electromagnetic switching deviceANDERSON FRITHIOF BBELL TELEPHONE LABOR INC
2056235October 6, 1936Resetting circuit for trigger devicesSWART LELAND KBELL TELEPHONE LABOR INC
2058256October 20, 1936Gas pressure alarm contactorPIKE VERNON BBELL TELEPHONE LABOR INC
2058216October 20, 1936Signaling systemDIMOND THOMAS LBELL TELEPHONE LABOR INC
2058212October 20, 1936Artificial larynxBURCHETT GEORGE WBELL TELEPHONE LABOR INC
2058210October 20, 1936Wave transmission networksBODE HENDRIK W.BELL TELEPHONE LABORATORIES, INCORPORATED
2058208October 20, 1936Acoustic deviceBLATTNER DAVID GBELL TELEPHONE LABOR INC
2058198October 20, 1936Two-way carrier wave systemHORACE WHITTLEBELL TELEPHONE LABOR INC
2058898October 27, 1936Electrooptical image productionMATHES ROBERT CBELL TELEPHONE LABOR INC
2058883October 27, 1936Electrooptical transmissionIVES HERBERT E ; VICTOR SUBRIZIBELL TELEPHONE LABOR INC
2058882October 27, 1936Electrooptical image productionIVES HERBERT E ; MATHES ROBERT CBELL TELEPHONE LABOR INC
2058641October 27, 1936Indicator deviceTHADDEUS SLONEZEWSKIBELL TELEPHONE LABOR INC
2058605October 27, 1936Printing telegraph systemLANE CUTHBERT CBELL TELEPHONE LABOR INC
2058602October 27, 1936Coin gauging apparatusKUHN JOHN JBELL TELEPHONE LABOR INC
2058601October 27, 1936Teletypewriter systemKRECEK JOSEPH A ; MUNRO CHARLES CBELL TELEPHONE LABOR INC
2058594October 27, 1936Protective deviceKELSAY LEROY WBELL TELEPHONE LABOR INC
2058579October 27, 1936Gauging deviceERICKSON ELMER CBELL TELEPHONE LABOR INC
2058561October 27, 1936Gain control regulatorHOWARD BROADWELLBELL TELEPHONE LABOR INC
2058555October 27, 1936Acoustic deviceBETTS WALTER L ; JONES EDWARD HBELL TELEPHONE LABOR INC
2059588November 3, 1936Acoustic deviceKUHN JOHN J.BELL TELEPHONE LABORATORIES, INCORPORATED
2059188November 3, 1936Cable grip linkALFORD EDWARD LBELL TELEPHONE LABOR INC
2060261November 10, 1936Telephone systemSTOKELY RAY L.BELL TELEPHONE LABORATORIES, INCORPORATED
2060235November 10, 1936RelayMILLER DANIEL D.BELL TELEPHONE LABORATORIES, INCORPORATED
2060229November 10, 1936Signaling systemLOW FRANK K.BELL TELEPHONE LABORATORIES, INCORPORATED
2060222November 10, 1936Interpolating systemKNOOP WILLIAM A.BELL TELEPHONE LABORATORIES, INCORPORATED
2060184November 10, 1936Telephone systemDIMOND THOMAS L.BELL TELEPHONE LABORATORIES, INCORPORATED
2060176November 10, 1936SwitchCARPENTER WARREN W.BELL TELEPHONE LABORATORIES, INCORPORATED
2061276November 17, 1936Treatment of rubberINGMANSON JOHN HBELL TELEPHONE LABOR INC
2061273November 17, 1936Repertory dialGREEN IRVING WBELL TELEPHONE LABOR INC
2061255November 17, 1936Electric discharge deviceROCKWOOD JR GEORGE HBELL TELEPHONE LABOR INC
2061254November 17, 1936Electric discharge deviceROCKWOOD JR GEORGE HBELL TELEPHONE LABOR INC
2060914November 17, 1936Electrical conductorWEAVER LEO L ; WEBBER CARROLL AWESTERN ELECTRIC CO
BELL TELEPHONE LABOR INC
2060905November 17, 1936Asymmetrical conductorSMITH GEORGE OBELL TELEPHONE LABOR INC
2060898November 17, 1936Control circuitsROSENE VICTOR EBELL TELEPHONE LABOR INC
2060843November 17, 1936Transmission systemABRAHAM LEONARD G ; GRENELL ARTHUR FAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
2061594November 24, 1936Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2061555November 24, 1936Transmission control in two-way signaling systemsBJORNSON BJORN GBELL TELEPHONE LABOR INC
2062892December 1, 1936Electron discharge deviceLAICO JOSEPH P.BELL TELEPHONE LABORATORIES, INCORPORATED
2062478December 1, 1936Acoustic deviceRIESZ ROBERT R.BELL TELEPHONE LABORATORIES, INCORPORATED
2062444December 1, 1936Telephone systemCESAREO ORFEOBELL TELEPHONE LABORATORIES, INCORPORATED
2062334December 1, 1936Electron discharge deviceSAMUEL ARTHUR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2062319December 1, 1936Electron discharge deviceLAICO JOSEPH P.BELL TELEPHONE LABORATORIES, INCORPORATED
2062302December 1, 1936Electron discharge deviceFAY CLIFFORD E.BELL TELEPHONE LABORATORIES, INCORPORATED
2062301December 1, 1936Electron discharge deviceFAY CLIFFORD E.BELL TELEPHONE LABORATORIES, INCORPORATED
2063342December 8, 1936Electron discharge deviceSAMUEL ARTHUR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2063341December 8, 1936Electron discharge deviceSAMUEL ARTHUR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2063338December 8, 1936Burnishing toolPRITCHARD WILLIAM T. ; SAUNDERS ARTHUR R.BELL TELEPHONE LABORATORIES, INCORPORATED
2063334December 8, 1936Transmission systemNORMAN NATHANIEL C.BELL TELEPHONE LABORATORIES, INCORPORATED
2063323December 8, 1936Telephone message recorderMALLINA RUDOLPH F.BELL TELEPHONE LABORATORIES, INCORPORATED
2063314December 8, 1936Electron discharge deviceJOHNSON JOHN B. ; WEINHART HOWARD W.BELL TELEPHONE LABORATORIES, INCORPORATED
2063308December 8, 1936Call transmitterGOFF HAROLD W.BELL TELEPHONE LABORATORIES, INCORPORATED
2064475December 15, 1936Electrooptical scanning systemIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
2064320December 15, 1936Electron discharge deviceRONCI VICTOR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2064319December 15, 1936Signaling systemPRUDEN HAROLD MBELL TELEPHONE LABOR INC
2064290December 15, 1936Support for wiresCAMPBELL THADDEUS C. ; WHEELER CLYDE H. ; BOWLY HEYWARD W.BELL TELEPHONE LABORATORIES, INCORPORATED
WESTERN ELECTRIC COMPANY, INCORPORATED
2064287December 15, 1936Coil winding machineBIELING CARL A. ; RICHARD CHARLES D.BELL TELEPHONE LABORATORIES, INCORPORATED
2064280December 15, 1936Coin collecting apparatusWHEELER CLYDE H.BELL TELEPHONE LABORATORIES, INCORPORATED
2064274December 15, 1936Recording mechanismSHANN OSCAR A.BELL TELEPHONE LABORATORIES, INCORPORATED
2063998December 15, 1936Electro-optical systemGRAY FRANKBELL TELEPHONE LABORATORIES, INCORPORATED
2064958December 22, 1936Signaling system for radiotelephonesTAYLOR EDMUND R. ; TAYLOR CHARLES C. ; WADSWORTH PAUL W.BELL TELEPHONE LABORATORIES, INCORPORATED
EDMUND R. TAYLOR
CHARLES C. TAYLOR
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
2065907December 29, 1936Translating devicePERREAULT GEORGE E.BELL TELEPHONE LABORATORIES, INCORPORATED
2065905December 29, 1936Signaling systemNEELY THOMAS H.BELL TELEPHONE LABORATORIES, INCORPORATED
2065897December 29, 1936Fuse panelKENNER ARTHUR ; SMITH CHARLES A.BELL TELEPHONE LABORATORIES, INCORPORATED
2065894December 29, 1936Telephone systemHOVLAND HENRYBELL TELEPHONE LABORATORIES, INCORPORATED
2065883December 29, 1936Intercommunicating telephone systemBEAUMONT WILLIAM M.BELL TELEPHONE LABORATORIES, INCORPORATED
2066539January 5, 1937Control circuitROSENE VICTOR E.BELL TELEPHONE LABORATORIES, INCORPORATED
2066528January 5, 1937Synchronous control of oscillatorsHARPER AUGUSTUS E.BELL TELEPHONE LABORATORIES, INCORPORATED
2066525January 5, 1937ConductorGILBERT JOHN J.BELL TELEPHONE LABORATORIES, INCORPORATED
2066520January 5, 1937Telegraph repeaterCRAMER WALTER W.BELL TELEPHONE LABORATORIES, INCORPORATED
2066515January 5, 1937Method of heat treating magnetic materialsBISHOP WALTER M.BELL TELEPHONE LABORATORIES, INCORPORATED
2066514January 5, 1937Gain control circuitsBEYER JESSE W ; TERRY DONALD MBELL TELEPHONE LABOR INC
2066511January 5, 1937Wiring deviceARLT HERBERT GBELL TELEPHONE LABOR INC
2066502January 5, 1937Telephone systemWHITNEY WILEYBELL TELEPHONE LABORATORIES, INCORPORATED
2066333January 5, 1937Wave amplification and generationCARUTHERS ROBERT S.BELL TELEPHONE LABORATORIES, INCORPORATED
2066332January 5, 1937Carrier wave transmission systemCARUTHERS ROBERT S.BELL TELEPHONE LABORATORIES, INCORPORATED
2066325January 5, 1937Transmission control in two-way signaling systemBJORNSON BJORN G. ; BRYANT NEWTON W.BELL TELEPHONE LABORATORIES, INCORPORATED
2067529January 12, 1937Electron discharge deviceHEISING RAYMOND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2067520January 12, 1937Circuit for oscillographs or the likeCURTIS AUSTEN M. ; WOOD IRA E.BELL TELEPHONE LABORATORIES, INCORPORATED
2067519January 12, 1937Control circuitsCOLE IRA E.BELL TELEPHONE LABORATORIES, INCORPORATED
2067518January 12, 1937Telephone systemCARPENTER WARREN W.BELL TELEPHONE LABORATORIES, INCORPORATED
2067502January 12, 1937Art of duplicating phonograph recordsPOLLARD CHARLES E ; RUSSELL ALEXANDER GBELL TELEPHONE LABOR INC
2067500January 12, 1937Regulator systemMORTON EDMUND R.BELL TELEPHONE LABORATORIES, INCORPORATED
2068351January 19, 1937Grid controlled rectifier circuitROCKWOOD JR GEORGE HBELL TELEPHONE LABOR INC
2068328January 19, 1937Coin controlled apparatusHOYT FREDERICK A.BELL TELEPHONE LABORATORIES, INCORPORATED
2068324January 19, 1937Short-wave electron tube circuitHEISING RAYMOND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2068320January 19, 1937Inductance deviceGRANT DWIGHT W.BELL TELEPHONE LABORATORIES, INCORPORATED
2068316January 19, 1937Alternating current regulatorFARKAS SAMUEL FRANCISBELL TELEPHONE LABORATORIES, INCORPORATED
2069251February 2, 1937Interconnecting telegraph repeater systemKINKEAD FULLERTON S.BELL TELEPHONE LABORATORIES, INCORPORATED
2069224February 2, 1937Interconnecting telegraph repeater systemCUMMINGS GEORGE C.BELL TELEPHONE LABORATORIES, INCORPORATED
2069223February 2, 1937Interconnecting telegraph repeater systemCUMMINGS GEORGE C.BELL TELEPHONE LABORATORIES, INCORPORATED
2069867February 9, 1937Electron emitterWILSON JAMES R.BELL TELEPHONE LABORATORIES, INCORPORATED
2069841February 9, 1937Safety device for phonographsMASSONNEAU ROBERT F.BELL TELEPHONE LABORATORIES, INCORPORATED
2069838February 9, 1937Communication systemKNOOP WILLIAM A.BELL TELEPHONE LABORATORIES, INCORPORATED
2069835February 9, 1937Coating apparatusKELLER ARTHUR C.BELL TELEPHONE LABORATORIES, INCORPORATED
2069832February 9, 1937Electric discharge deviceHOLDAWAY VIVIAN L.BELL TELEPHONE LABORATORIES, INCORPORATED
2069827February 9, 1937Record clamping meansHARRISON HENRY C.BELL TELEPHONE LABORATORIES, INCORPORATED
2069825February 9, 1937Alternating current regulatorFARKAS SAMUEL F. ; HILTON LINWOOD B.BELL TELEPHONE LABORATORIES, INCORPORATED
2069817February 9, 1937Acoustic deviceCLARKE HARRY R.BELL TELEPHONE LABORATORIES, INCORPORATED
2069814February 9, 1937Electric discharge deviceBOND DONALD S.BELL TELEPHONE LABORATORIES, INCORPORATED
2069810February 9, 1937Sound recording and reproducing systemBOND DONALD S.LEILA B. ARNOLD
BELL TELEPHONE LABORATORIES, INCORPORATED
2071078February 16, 1937Signaling systemLOW FRANK K.BELL TELEPHONE LABORATORIES, INCORPORATED
2071075February 16, 1937Telephone systemKOECHLING CHARLES D.BELL TELEPHONE LABORATORIES, INCORPORATED
2071072February 16, 1937Signaling systemJOHNSON LEWIS H.BELL TELEPHONE LABORATORIES, INCORPORATED
2070678February 16, 1937Coaxial conductor systemODARENKO TODOS M.BELL TELEPHONE LABORATORIES, INCORPORATED
2070677February 16, 1937Transmission networkNORTON EDWARD L.BELL TELEPHONE LABORATORIES, INCORPORATED
2070671February 16, 1937Repeater testingMEISSNER CHARLES RBELL TELEPHONE LABOR INC
2070668February 16, 1937Wave transmission networkLUNDRY WALTER R.BELL TELEPHONE LABORATORIES, INCORPORATED
2070666February 16, 1937Modulating systemLLEWELLYN FREDERICK B.BELL TELEPHONE LABORATORIES, INCORPORATED
2070656February 16, 1937Frequency-selective transmission circuitGROSSMAN ALEXANDER J.BELL TELEPHONE LABORATORIES, INCORPORATED
2070642February 16, 1937Telephone systemBEAUMONT WILLIAM M.BELL TELEPHONE LABORATORIES, INCORPORATED
2071547February 23, 1937Signaling systemLOW FRANK K.BELL TELEPHONE LABORATORIES, INCORPORATED
2072478March 2, 1937Electrooptical systemGRAY FRANKBELL TELEPHONE LABORATORIES, INCORPORATED
2072476March 2, 1937Switching systemCOLLINS CYRIL A.BELL TELEPHONE LABORATORIES, INCORPORATED
2072462March 2, 1937Coin collectorMILLS PERCY E.BELL TELEPHONE LABORATORIES, INCORPORATED
2072455March 2, 1937Electrooptical systemKANNENBERG WALTER F.BELL TELEPHONE LABORATORIES, INCORPORATED
2072434March 2, 1937Switching systemSPENCER THOMAS A.BELL TELEPHONE LABORATORIES, INCORPORATED
2073508March 9, 1937Telephone systemWILLIAMS SAMUEL B.BELL TELEPHONE LABORATORIES, INCORPORATED
2073468March 9, 1937Communication systemFITCH KARL E.BELL TELEPHONE LABORATORIES, INCORPORATED
2073462March 9, 1937Terminating system for shielded circuitsCURTIS HAROLD E.BELL TELEPHONE LABORATORIES, INCORPORATED
2073459March 9, 1937Temperature control system and methodTHURSTON GEORGE M.BELL TELEPHONE LABORATORIES, INCORPORATED
2072972March 9, 1937Coin collecting apparatusWHEELER CLYDE H.BELL TELEPHONE LABORATORIES, INCORPORATED
2072952March 9, 1937Mounting for electrical devicesJONES EDWARD H.BELL TELEPHONE LABORATORIES, INCORPORATED
2072940March 9, 1937Telephone systemBOWNE LANGFORD J.BELL TELEPHONE LABORATORIES, INCORPORATED
2072939March 9, 1937Mounting for electrical devicesBETTS WALTER L.BELL TELEPHONE LABORATORIES, INCORPORATED
2073678March 16, 1937Cutting toolBROUGHTON WILLIAM W.BELL TELEPHONE LABORATORIES, INCORPORATED
2074446March 23, 1937Transmission regulationWRIGHT SUMNER BISBEEBELL TELEPHONE LABORATORIES, INCORPORATED
2075783March 30, 1937Sound picture systemROBERTS JOHN G.BELL TELEPHONE LABORATORIES, INCORPORATED
2075536March 30, 1937Call transmitterMILLER VICTOR F.BELL TELEPHONE LABORATORIES, INCORPORATED
2075527March 30, 1937Telephone systemKORN FRANKLIN A. ; MYERS OSCARBELL TELEPHONE LABORATORIES, INCORPORATED
2075523March 30, 1937Scanning deviceIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
2075520March 30, 1937ToolHARDESTY JAMES M.BELL TELEPHONE LABORATORIES, INCORPORATED
2075519March 30, 1937Coin collector housingGIERTSEN OYVIND N.BELL TELEPHONE LABORATORIES, INCORPORATED
2075515March 30, 1937ResistanceFISHER JOSEPH R.BELL TELEPHONE LABORATORIES, INCORPORATED
2075504March 30, 1937Remagnetizing deviceCHEGWIDDEN RAYMOND A. ; HARAZIM STANLEY J. ; KUHN JOHN J. ; PETTIT IRVING C.BELL TELEPHONE LABORATORIES, INCORPORATED
2075503March 30, 1937Reception of frequency modulated wavesCHAFFEE JOSEPH G.BELL TELEPHONE LABORATORIES, INCORPORATED
2075499March 30, 1937Switching deviceBUCH PETER E. ; HANSEN ARNOLD A.BELL TELEPHONE LABORATORIES, INCORPORATED
2075488March 30, 1937Electromagnetic switching deviceWAGAR HAROLD N.BELL TELEPHONE LABORATORIES, INCORPORATED
2076248April 6, 1937Wave filterNORTON EDWARD L.BELL TELEPHONE LABORATORIES, INCORPORATED
2076229April 6, 1937Wave shaping systemDUNN HUGH K.BELL TELEPHONE LABORATORIES, INCORPORATED
2076222April 6, 1937Directive radio systemBRUCE EDMONDBELL TELEPHONE LABORATORIES, INCORPORATED
2075975April 6, 1937Transmission regulationBROOKS FRED A.BELL TELEPHONE LABORATORIES, INCORPORATED
2075957April 6, 1937Electric wave translating devicePAYNE EDWARD B.BELL TELEPHONE LABORATORIES, INCORPORATED
2075956April 6, 1937Electric wave translating systemPAYNE EDWARD B.BELL TELEPHONE LABORATORIES, INCORPORATED
2075897April 6, 1937Signal distortion indicating and measuring deviceHEARN RICHARD B.BELL TELEPHONE LABORATORIES, INCORPORATED
2077193April 13, 1937Recording systemWENTE EDWARD C.BELL TELEPHONE LABORATORIES, INCORPORATED
2077177April 13, 1937Electron discharge deviceMCNALLY JAMES O.BELL TELEPHONE LABORATORIES, INCORPORATED
2077172April 13, 1937Telegraph signal distortion measuring deviceHEARN RICHARD B.BELL TELEPHONE LABORATORIES, INCORPORATED
2077170April 13, 1937Acoustic deviceHARRISON HENRY C.BELL TELEPHONE LABORATORIES, INCORPORATED
2077160April 13, 1937Radio transmitterJR. HENRY D. WILSON,BELL TELEPHONE LABORATORIES, INCORPORATED
2077156April 13, 1937Electron discharge deviceRONCI VICTOR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2077936April 20, 1937Telegraph circuitKINKEAD FULLERTON S. ; LOCKE GEORGE A.BELL TELEPHONE LABORATORIES, INCORPORATED
2077926April 20, 1937Sound recording systemGIBSON ROBERT D.BELL TELEPHONE LABORATORIES, INCORPORATED
2077925April 20, 1937Tape pulling mechanismGENT EDGAR W.BELL TELEPHONE LABORATORIES, INCORPORATED
2077917April 20, 1937Telegraph repeaterCUMMINGS GEORGE C.BELL TELEPHONE LABORATORIES, INCORPORATED
2078974May 4, 1937Modulating systemRIESZ ROBERT R.BELL TELEPHONE LABORATORIES, INCORPORATED
2080217May 11, 1937Apparatus and method for remedying crosstalkWEAVER MYRON A.BELL TELEPHONE LABORATORIES, INCORPORATED
2079697May 11, 1937Loading coil caseRANGES JOHN E.BELL TELEPHONE LABORATORIES, INCORPORATED
2079694May 11, 1937Acoustic amplifierLOVELL CLARENCE A. ; WEGEL RAYMOND L.BELL TELEPHONE LABORATORIES, INCORPORATED
2079693May 11, 1937Sound reproducerLOVELL CLARENCE A.BELL TELEPHONE LABORATORIES, INCORPORATED
2079690May 11, 1937Method of making resistance devicesGRISDALE RICHARD O.BELL TELEPHONE LABORATORIES, INCORPORATED
2079689May 11, 1937Repeating station for ocean cablesGORTON WILLIAM S.BELL TELEPHONE LABORATORIES, INCORPORATED
2079685May 11, 1937Telegraph exchange systemFITCH KARL E. ; KINKEAD FULLERTON S.BELL TELEPHONE LABORATORIES, INCORPORATED
2080491May 18, 1937Conducting systemKREISHER CLAUDEBELL TELEPHONE LABORATORIES, INCORPORATED
2080473May 18, 1937Loading coil caseGREENIDGE RALPH M.C.BELL TELEPHONE LABORATORIES, INCORPORATED
2080459May 18, 1937Modulating systemCARUTHERS ROBERT S.BELL TELEPHONE LABORATORIES, INCORPORATED
2081427May 25, 1937Electric communication cableFIRTH NEAL V. ; HALL ARTHUR G.BELL TELEPHONE LABORATORIES, INCORPORATED
2081425May 25, 1937High frequency transmission systemFAY CLIFFORD E.BELL TELEPHONE LABORATORIES, INCORPORATED
2081422May 25, 1937Transmission control in signaling systemsBJORNSON BJORN G.BELL TELEPHONE LABORATORIES, INCORPORATED
2081415May 25, 1937Electron emitterVEAZIE EDMUND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2081411May 25, 1937Synchronous motorSTOLLER HUGH M ; MORTON EDMUND RBELL TELEPHONE LABOR INC
2081405May 25, 1937Wave filterMASON WARREN PBELL TELEPHONE LABOR INC
2082339June 1, 1937Television systemIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
2082123June 1, 1937Circuit control arrangementsSAMUEL ARTHUR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2082120June 1, 1937Electron discharge deviceRONCI VICTOR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2082110June 1, 1937Regulating systemLANGABEER HARVEY TBELL TELEPHONE LABOR INC
2082104June 1, 1937Testing systemGIBSON EARL S. ; HANSEN ARNOLD A. ; WORTH JOHN B.BELL TELEPHONE LABORATORIES, INCORPORATED
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
2082102June 1, 1937Resistance elementFISHER JOSEPH R.BELL TELEPHONE LABORATORIES, INCORPORATED
2082099June 1, 1937Conductor supportCRUSER VICTOR I.BELL TELEPHONE LABORATORIES, INCORPORATED
2082097June 1, 1937Telephone systemCESAREO ORFEOBELL TELEPHONE LABORATORIES, INCORPORATED
2082095June 1, 1937RingerBREDEHOFT HAROLD A.BELL TELEPHONE LABORATORIES, INCORPORATED
2082091June 1, 1937Control knobJR. WILLIAM J. ADAMS,BELL TELEPHONE LABORATORIES, INCORPORATED
2083495June 8, 1937Electrical indicating or measuring systemBLACK HAROLD S. ; EDSON JAMES O.BELL TELEPHONE LABORATORIES, INCORPORATED
2083416June 8, 1937Radio direction finding systemAIKEN CHARLES B.BELL TELEPHONE LABORATORIES, INCORPORATED
2083404June 8, 1937Telephone systemSAUL GEORGE N.BELL TELEPHONE LABORATORIES, INCORPORATED
2083388June 8, 1937Tool for turning cable reelsMOORE CHARLES RBELL TELEPHONE LABOR INC
2083384June 8, 1937Relay structureKUCH FREDERICK CARLBELL TELEPHONE LABORATORIES, INCORPORATED
2083382June 8, 1937Regulated rectifier circuitsJUTSON ROBERT P. ; TRUCKSESS DAVID E.BELL TELEPHONE LABORATORIES, INCORPORATED
2083374June 8, 1937Recording and reproducing systemHARLEY JOHN B.BELL TELEPHONE LABORATORIES, INCORPORATED
2083373June 8, 1937Measuring toolHARDESTY JAMES M. ; LAWSON CLEMENT C.BELL TELEPHONE LABORATORIES, INCORPORATED
2083346June 8, 1937Electronic discharge deviceRONCI VICTOR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2083344June 8, 1937System and method of determining distancesNEWHOUSE RUSSELL C. ; TINUS WILLIAM C.BELL TELEPHONE LABORATORIES, INCORPORATED
2083330June 8, 1937Electronic discharge deviceHOLDAWAY VIVIAN L.BELL TELEPHONE LABORATORIES, INCORPORATED
2084135June 15, 1937Amplifier circuitsFORD GAYLON T.BELL TELEPHONE LABORATORIES, INCORPORATED
2084123June 15, 1937Loading coil caseBARDSLEY JOSEPH R.BELL TELEPHONE LABORATORIES, INCORPORATED
2084121June 15, 1937Prepayment telephone systemANDERSON EMIL N. ; BASCOM HENRY M. ; GETZ EMIL L. ; JR. GEORGE SANDALLS,AMERICAN TELEPHONE AND TELEGRAPH COMPANY
BELL TELEPHONE LABORATORIES, INCORPORATED
2084115June 15, 1937Control circuitsTERRY DONALD M.BELL TELEPHONE LABORATORIES, INCORPORATED
2084105June 15, 1937Telephone control systemMYERS OSCARBELL TELEPHONE LABORATORIES, INCORPORATED
2084104June 15, 1937Signaling systemMYERS OSCARBELL TELEPHONE LABORATORIES, INCORPORATED
2085130June 29, 1937Acoustic deviceSWICKARD ANDREW EBELL TELEPHONE LABOR INC
2085125June 29, 1937Radio transmitterSHAW ROBERT CBELL TELEPHONE LABOR INC
2085117June 29, 1937Radio receiverHOWARD MORRISON ; REICHLE WINFRIED E ; THAYER GORDON NBELL TELEPHONE LABORATERIES IN
2085094June 29, 1937Gas-filled tube circuitsGOODALL WILLIAM M.BELL TELEPHONE LABORATORIES, INCORPORATED
2085093June 29, 1937Sheet holding meansGAUTHIER MARCEL C.BELL TELEPHONE LABORATORIES, INCORPORATED
2085079June 29, 1937Cutting deviceHOWARD BROADWELLBELL TELEPHONE LABOR INC
2085077June 29, 1937InsulatorFOX ARTHUR L ; HASKELL FREDERIC V ; STURZENEGGER WILLIAM CBELL TELEPHONE LABOR INC
2085073June 29, 1937Sound translating deviceBOSTWICK LEE GBELL TELEPHONE LABOR INC
2086136July 6, 1937Method of manufacturing switchesREYNOLDS JOHN NBELL TELEPHONE LABOR INC
2086130July 6, 1937TelegraphoneHICKMAN CLARENCE N ; JACKSON HEIGHTS ; MALLINA RUDOLPH FBELL TELEPHONE LABOR INC
2086112July 6, 1937VentilatorATKINS GEORGE EBELL TELEPHONE LABOR INC
2086110July 6, 1937Repertory dialing deviceALLEN LAWRENCE HBELL TELEPHONE LABOR INC
2086106July 6, 1937Control circuitsWILSON IRA GBELL TELEPHONE LABOR INC
2086105July 6, 1937Gain control circuitsWILSON IRA GBELL TELEPHONE LABOR INC
2086101July 6, 1937Synchronization of enginesSTOLLER HUGH MBELL TELEPHONE LABOR INC
2086649July 13, 1937Acoustic deviceTHURAS ALBERT LBELL TELEPHONE LABOR INC
2086638July 13, 1937Regenerative telegraph repeaterRASMUSSEN OSVALD EBELL TELEPHONE LABOR INC
2086630July 13, 1937Telephone receiverMINER RUSSELL CBELL TELEPHONE LABOR INC
2086629July 13, 1937Shielded cable systemMEAD SALLIE PBELL TELEPHONE LABOR INC
2086628July 13, 1937Switching deviceGLADSTONE MATEJKABELL TELEPHONE LABOR INC
2086603July 13, 1937Neutralizing systemCASH CLAUDE CBELL TELEPHONE LABOR INC
2086602July 13, 1937Modulating systemCARUTHERS ROBERT S.BELL TELEPHONE LABORATORIES, INCORPORATED
2086601July 13, 1937Modulating systemCARUTHERS ROBERT SBELL TELEPHONE LABOR INC
2086597July 13, 1937Wave filterBLACKMAN RALPH BBELL TELEPHONE LABOR INC
2086579July 13, 1937Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2086578July 13, 1937Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2086540July 13, 1937Impulse circuitDIMOND THOMAS LBELL TELEPHONE LABOR INC
2087327July 20, 1937Electron discharge deviceMCNALLY JAMES OBELL TELEPHONE LABOR INC
2087326July 20, 1937Standard frequency systemMARRISON WARREN ABELL TELEPHONE LABOR INC
2087316July 20, 1937Volume control systemDOBA JR STEPHENBELL TELEPHONE LABOR INC
2087314July 20, 1937Echo suppressor circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
2088318July 27, 1937Relay circuitBUSCH ALOYSIUS JBELL TELEPHONE LABOR INC
2088317July 27, 1937Electric discharge tube testing and measuring circuitBACHELET ALBERT EBELL TELEPHONE LABOR INC
2088314July 27, 1937Composite setHORACE WHITTLEBELL TELEPHONE LABOR INC
2088311July 27, 1937Telephone ringing systemSTACY LELAND JBELL TELEPHONE LABOR INC
2088309July 27, 1937Coin collector apparatusSHANN OSCAR ABELL TELEPHONE LABOR INC
2088305July 27, 1937Telephone systemOSCAR MYERSBELL TELEPHONE LABOR INC
2088297July 27, 1937Harmonic analyzerKOENIG JR WALTERBELL TELEPHONE LABOR INC
2088292July 27, 1937Electrical communication systemEGLIN JAMES MBELL TELEPHONE LABOR INC
2088750August 3, 1937Answer-back device for machine switching printing telegraph exchange systemsKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2088749August 3, 1937Reception of guided wavesKING ARCHIC PBELL TELEPHONE LABOR INC
2088733August 3, 1937Printing telegraph systemCHARLES WHITEBELL TELEPHONE LABOR INC
2089921August 10, 1937Dial telephone systemCARPENTER WARREN WBELL TELEPHONE LABOR INC
2089438August 10, 1937Telephone systemSCUDDER FREDERICK JBELL TELEPHONE LABOR INC
2089409August 10, 1937Phase correcting means and methodOHL RUSSELL SBELL TELEPHONE LABOR INC
2089386August 10, 1937Support for hand telephonesLUM GEORGE RBELL TELEPHONE LABOR INC
2089346August 10, 1937Transmission circuitDOBA JR STEPHENBELL TELEPHONE LABOR INC
2089338August 10, 1937Telephone systemCARPENTER WARREN W ; HAGUE ALFRED EBELL TELEPHONE LABOR INC
2089320August 10, 1937Electromagnetic switching deviceWORTH JOHN BBELL TELEPHONE LABOR INC
2089264August 10, 1937Electrical terminalINGMANSON JOHN HBELL TELEPHONE LABOR INC
2089218August 10, 1937Glow discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
2089179August 10, 1937Coaxial transmission systemBLACK KNOX CBELL TELEPHONE LABOR INC
2090995August 24, 1937Time delay relayBROWNE BENNIC OBELL TELEPHONE LABOR INC
2091556August 31, 1937Coin chute for coin collectorsMILLS PERCY E.BELL TELEPHONE LABORATORIES, INCORPORATED
2091554August 31, 1937Composite refractory bodyMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
2091551August 31, 1937Signaling systemLOW FRANK KBELL TELEPHONE LABOR INC
2091549August 31, 1937CabinetKELSO HUGH DBELL TELEPHONE LABOR INC
2091541August 31, 1937Telephone systemWILLIAMS SAMUEL BBELL TELEPHONE LABOR INC
2091533August 31, 1937Automatic measuring deviceSWART LELAND KBELL TELEPHONE LABOR INC
2091259August 31, 1937Resistance unitFISHER JOSEPH RBELL TELEPHONE LABOR INC
2091250August 31, 1937Wave filterBLACKMAN RALPH BBELL TELEPHONE LABOR INC
2091249August 31, 1937Method of and apparatus for working materialsBIELING CARL ABELL TELEPHONE LABOR INC
2092515September 7, 1937InsulatorJERVEY WILLIAM TBELL TELEPHONE LABOR INC
2092513September 7, 1937Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
2092509September 7, 1937Telephone boothHAMPTON LEON N ; SMITH ALBERT KBELL TELEPHONE LABOR INC
2092495September 7, 1937Telephone systemJOHN BAUMFALKBELL TELEPHONE LABOR INC
2092493September 7, 1937Automatic stock quotation systemALLEN LAWRENCE H ; GOODERHAM JOHN WBELL TELEPHONE LABOR INC
2092485September 7, 1937Prepayment telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
2092474September 7, 1937Radio telephone monitoring systemGEORGE RODWINBELL TELEPHONE LABOR INC
2092465September 7, 1937Telephone systemMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
2093117September 14, 1937Telephone systemCARPENTER WARREN WBELL TELEPHONE LABOR INC
2093084September 14, 1937System for giving teletypewriter service over telephone linesKRECEK JOSEPH ABELL TELEPHONE LABOR INC
2093080September 14, 1937Teletypewriter systemHYSKO JOHN L ; LARGE WAYNE V K ; MUNRO CHARLES CBELL TELEPHONE LABOR INC
2093078September 14, 1937Electric space discharge tube systemHEISING RAYMOND ABELL TELEPHONE LABOR INC
2093871September 21, 1937Electrical receiving and measuring systemLEVIN SAMUEL ABELL TELEPHONE LABOR INC
2093855September 21, 1937Radio telephone monitoring systemTAYLOR CHARLES CBELL TELEPHONE LABOR INC
2093854September 21, 1937Measuring deviceSWART LELAND KBELL TELEPHONE LABOR INC
2093847September 21, 1937Radio telephone monitoring systemPRUDEN HAROLD MBELL TELEPHONE LABOR INC
2093679September 21, 1937Telephone boothKUNTZ FRANK ABELL TELEPHONE LABOR INC
2093674September 21, 1937Light valveHARLEY JOHN BBELL TELEPHONE LABOR INC
2093670September 21, 1937Control circuitsGIBSON EARL SBELL TELEPHONE LABOR INC
2093669September 21, 1937Vent plug for storage batteriesFORSTER FRANK TBELL TELEPHONE LABOR INC
2093667September 21, 1937Pad control systemWINSOR JR PAULBELL TELEPHONE LABOR INC
2093664September 21, 1937Acoustic deviceSWICKARD ANDREW EBELL TELEPHONE LABOR INC
2093661September 21, 1937Asymmetrical conductorSMITH GEORGE OBELL TELEPHONE LABOR INC
2094068September 28, 1937TelautographHARRISON HENRY CBELL TELEPHONE LABOR INC
2094062September 28, 1937Electromechanical impedanceSIDNEY DARLINGTONBELL TELEPHONE LABOR INC
2094060September 28, 1937Timing apparatusBUSCH ALOYSIUS JBELL TELEPHONE LABOR INC
2094052September 28, 1937Facsimile telegraph systemTHORALF AAMODTBELL TELEPHONE LABOR INC
2094049September 28, 1937Signal systemSUTLIFF CARLETON BBELL TELEPHONE LABOR INC
2094044September 28, 1937Wave filterMASON WARREN PBELL TELEPHONE LABOR INC
2094043September 28, 1937Method of and means for assembling acoustic devicesMARSHALL ROBERT NBELL TELEPHONE LABOR INC
2094039September 28, 1937TelautographKINSLEY THOMAS GBELL TELEPHONE LABOR INC
2096460October 19, 1937Space discharge apparatusLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
2096456October 19, 1937Electromagnetic switching deviceGARVIN JOHN SBELL TELEPHONE LABOR INC
2096450October 19, 1937Control circuitCURTIS AUSTEN MBELL TELEPHONE LABOR INC
2096436October 19, 1937Telephone systemMASSONNCAU ROBERT FBELL TELEPHONE LABOR INC
2096416October 19, 1937Method of coating hollow receptaclesWEINHART HOWARD W.BELL TELEPHONE LABORATORIES, INCORPORATED
2096415October 19, 1937Electron discharge deviceWEINHART HOWARD WBELL TELEPHONE LABOR INC
2096054October 19, 1937Electromagnetic switching deviceMILLER DANIEL DBELL TELEPHONE LABOR INC
2096046October 19, 1937Support for telephonesKUHN JOHN J ; LUM GEORGE RBELL TELEPHONE LABOR INC
2096045October 19, 1937Method of producing pressure equalizing material for cable conductorsKEMP ARCHIE RBELL TELEPHONE LABOR INC
2096029October 19, 1937Signaling systemORFEO CESAREO ; ROBERT MUELLERBELL TELEPHONE LABOR INC
2096027October 19, 1937Attenuation equalizerBODE HENDRIK WBELL TELEPHONE LABOR INC
2096025October 19, 1937Transmission systemBELL JOHN HBELL TELEPHONE LABOR INC
2097165October 26, 1937Telephone systemBELL JOHN HGRACE MACDONALD STOKELY
BELL TELEPHONE LABOR INC
2097157October 26, 1937Electron emitting cathode and method of developing sameJAMESON MALCOLM FBELL TELEPHONE LABOR INC
2097151October 26, 1937Register deviceGLEASON DANIEL HBELL TELEPHONE LABOR INC
2097146October 26, 1937Electrical power regulating apparatusDE LANGE OWEN EBELL TELEPHONE LABOR INC
2096824October 26, 1937Power supply circuitPRICE ARNODL FBELL TELEPHONE LABOR INC
2096819October 26, 1937Communication systemOSCAR MYERSBELL TELEPHONE LABOR INC
2096805October 26, 1937PhonographHICKMAN CLARENCE NBELL TELEPHONE LABOR INC
2096801October 26, 1937Power transformerGRANT DWIGHT WBELL TELEPHONE LABOR INC
2096793October 26, 1937Transmission control circuits in wave transmission systemsDOBA JR STEPHENBELL TELEPHONE LABOR INC
2097519November 2, 1937Signal transmission systemGABRICL JOHN C ; GEORGE RODWINBELL TELEPHONE LABOR INC
2097514November 2, 1937Electron discharge system for ultrashort wavesCHAFFEE JOSEPH GBELL TELEPHONE LABOR INC
2097507November 2, 1937Control circuitBARNEY HAROLD LBELL TELEPHONE LABOR INC
2097498November 2, 1937Coin chute for coin collectorsMILLS PERCY E.BELL TELEPHONE LABORATORIES, INCORPORATED
2097497November 2, 1937Coin chute for coin collectorsMILLS PERCY EBELL TELEPHONE LABOR INC
2097488November 2, 1937Piezoelectric deviceKINSLEY THOMAS GBELL TELEPHONE LABOR INC
2097467November 2, 1937Photoelectric tubePRESCOTT JR CHARLES HBELL TELEPHONE LABOR INC
2098326November 9, 1937Calculating deviceWENTE EDWARD CBELL TELEPHONE LABOR INC
2098321November 9, 1937Distributing frameTREPTOW FREDERICK W.BELL TELEPHONE LABORATORIES, INCORPORATED
2098310November 9, 1937Circuit for space discharge devicesROCKWOOD JR GEORGE HBELL TELEPHONE LABOR INC
2098301November 9, 1937Glow discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
2098300November 9, 1937Electric weldingMAY DAVID TBELL TELEPHONE LABOR INC
2098291November 9, 1937Sound translating apparatusHOPKINS HARRIS FBELL TELEPHONE LABOR INC
2098287November 9, 1937System of indicating distanceGENT EDGAR WBELL TELEPHONE LABOR INC
2098286November 9, 1937Transmission control in signaling systemsGARFIELD OWEN RBELL TELEPHONE LABOR INC
2098274November 9, 1937Telephone systemCARPENTER WARREN W ; OSCAR MYERSBELL TELEPHONE LABOR INC
2099143November 16, 1937Call transmitter deviceROBERTS JOHN G ; RICHARD CHARLES DBELL TELEPHONE LABOR INC
2099117November 16, 1937Terminal mountingKELSAY LE ROY WBELL TELEPHONE LABOR INC
2099115November 16, 1937Communication systemIVES HERBERT EBELL TELEPHONE LABOR INC
2099111November 16, 1937Gaseous discharge deviceHEFELE JOHN RBELL TELEPHONE LABOR INC
2098968November 16, 1937Transmission regulationMALLINCKRODT CHARLES OBELL TELEPHONE LABOR INC
2098956November 16, 1937Signaling systemDUDLEY HOMER WBELL TELEPHONE LABOR INC
2098950November 16, 1937Vacuum tube circuitBLACK HAROLD SBELL TELEPHONE LABOR INC
2099889November 23, 1937Television systemIVES HERBERT EBELL TELEPHONE LABOR INC
2099865November 23, 1937Sound picture systemMORTON EDMUND RBELL TELEPHONE LABOR INC
2100412November 30, 1937Temperature-compensated deviceSCOTT HERBERT JBELL TELEPHONE LABOR INC
2100404November 30, 1937Fluid transmissionMASON WARREN P ; STANTON GEORGE T ; TWEEDDALE JOHN EBELL TELEPHONE LABOR INC
ELECTRICAL RES PROD INC
2100400November 30, 1937Telephone systemDER LINDEN ERNST VONBELL TELEPHONE LABOR INC
2100394November 30, 1937Reception of frequency modulated waves and circuits thereforHEISING RAYMOND ABELL TELEPHONE LABOR INC
2100390November 30, 1937Call transmitterGOFF HAROLD WBELL TELEPHONE LABOR INC
2100375November 30, 1937Gain controlBLAIR ROYER RBELL TELEPHONE LABOR INC
2100367November 30, 1937Electric discharge deviceWARD FRANK EBELL TELEPHONE LABOR INC
2101668December 7, 1937Radio communication systemBISHOP JOHN B ; KNOTT WILLIAM MBELL TELEPHONE LABOR INC
2101272December 7, 1937Combined magnetostriction and piezoelectric selective deviceSCOTT HERBERT JBELL TELEPHONE LABOR INC
2101258December 7, 1937Telephone systemKORN FRANKLIN ABELL TELEPHONE LABOR INC
2101256December 7, 1937Carrier telegraph receiverJONES THEODORE ABELL TELEPHONE LABOR INC
2101254December 7, 1937Testing circuitHAGUE ALFRED EBELL TELEPHONE LABOR INC
2101246December 7, 1937Transmission control in signaling systemsDICKIESON ALTON CBELL TELEPHONE LABOR INC
2101243December 7, 1937Telegraph signal repeating systemCUMMINGS GEORGE CBELL TELEPHONE LABOR INC
2101224December 7, 1937Privacy systemSMITH OSBORNE HAROLD ; BISBEE WRIGHT SUMNERAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
2102155December 14, 1937Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
2102141December 14, 1937Battery charging systemWAGAR HAROLD NBELL TELEPHONE LABOR INC
2102138December 14, 1937Transmission systemSTRIEBY MAURICE EBELL TELEPHONE LABOR INC
2102137December 14, 1937Telephone systemSPERRY ARTHUR BBELL TELEPHONE LABOR INC
2102769December 21, 1937Service observing systemULRICH HERACE WBELL TELEPHONE LABOR INC
2102760December 21, 1937Photoelectric tubeSTILWELL GEORGE RBELL TELEPHONE LABOR INC
2102719December 21, 1937Signal distortion indicating and measuring deviceKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2102671December 21, 1937Wave translation systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2102670December 21, 1937Wave translation systemBLACK HAROLD S.BELL TELEPHONE LABORATORIES, INCORPORATED
2103506December 28, 1937Wave translating systemYEUTTER CLYDE SBELL TELEPHONE LABOR INC
2103501December 28, 1937Terminal box deviceWALDRON FRED D ; WIER ANTHONY JBELL TELEPHONE LABOR INC
2103490December 28, 1937Wave translating circuitsEUGENE PETERSONBELL TELEPHONE LABOR INC
2103489December 28, 1937Amplifier circuitEUGENE PETERSONBELL TELEPHONE LABOR INC
2103481December 28, 1937Signaling system and methodMATHES ROBERT CBELL TELEPHONE LABOR INC
2103476December 28, 1937Telegraph test board circuitLUCEK CHARLES WBELL TELEPHONE LABOR INC
2103468December 28, 1937Wave translating systemKREER JR JOHN GBELL TELEPHONE LABOR INC
2104463January 4, 1938Source of variable high direct potentialJOHNSON JOHN B ; KAMMERER FRED WBELL TELEPHONE LABOR INC
2104449January 4, 1938Telephone systemBOWNE LANGFORD J ; HOWARD BEACH ; LAMBERTY FREDERICK RGRACE MACDONALD STOKELY
BELL TELEPHONE LABOR INC
2104434January 4, 1938Connecting block and jack assemblyMCCORMICK CHARLES G ; SHEATSLEY PAUL WBELL TELEPHONE LABOR INC
2104433January 4, 1938Acoustic deviceMARSHALL ROBERT NBELL TELEPHONE LABOR INC
2104426January 4, 1938Impulse repeaterKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2104425January 4, 1938Telephone boothKUNTZ FRANK ABELL TELEPHONE LABOR INC
2105927January 18, 1938Gain control systemNYQUIST HARRYBELL TELEPHONE LABORATORIES, INCORPORATED
2105924January 18, 1938Electron discharge deviceMENDENHALL HALLAM EBELL TELEPHONE LABOR INC
2105921January 18, 1938Number checking systemKORN FRANKLIN ABELL TELEPHONE LABOR INC
2105916January 18, 1938Sound reproducing systemHARRISON HENRY CBELL TELEPHONE LABOR INC
2105910January 18, 1938Carrier wave transmission systemDUDLEY HOMER W.BELL TELEPHONE LABORATORIES, INCORPORATED
2105900January 18, 1938Shaft bearingBARBER CHARLES C ; MCWILLIAMS CHARLES WBELL TELEPHONE LABOR INC
2105898January 18, 1938Telephone exchange systemWILEY WHITNEYBELL TELEPHONE LABOR INC
2105507January 18, 1938Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
2105506January 18, 1938Electron discharge deviceRONCL VICTOR LBELL TELEPHONE LABOR INC
2105483January 18, 1938Electron discharge deviceLAICO JOSEPH PBELL TELEPHONE LABOR INC
2105472January 18, 1938High power discharge deviceCLARK JAMES E ; EKSTRAND STURE O ; RONCI VICTOR LBELL TELEPHONE LABOR INC
2106498January 25, 1938Selective signal systemFIELD JOSEPH CBELL TELEPHONE LABOR INC
2106360January 25, 1938Telephone systemRALPH RAYMONDBELL TELEPHONE LABOR INC
2106357January 25, 1938Telegraph systemMARSHALL TOLA ABELL TELEPHONE LABOR INC
2106356January 25, 1938Signaling systemLOW FRANK KBELL TELEPHONE LABOR INC
2106352January 25, 1938Teletypewriter stationKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2106350January 25, 1938Testing systemHICKMAN CLARENCE N ; KINGSBURY BURTON ABELL TELEPHONE LABOR INC
2106344January 25, 1938Electrical deviceFLEGAL JOHN R ; PRIESSMAN NEIL YBELL TELEPHONE LABOR INC
2106342January 25, 1938Electric discharge tube circuitsDEBA JR STEPHENBELL TELEPHONE LABOR INC
2106337January 25, 1938Transmission systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2106336January 25, 1938Voltage or gain controlANDERSON FRITHIOF B ; MALLINCKRODT CHARLES O ; STILLWELL ALBERT LBELL TELEPHONE LABOR INC
2107177February 1, 1938Stranded conductorDUDLEY HOMER WBELL TELEPHONE LABOR INC
2107168February 1, 1938Carrier communicating systemTIDD WARREN HBELL TELEPHONE LABOR INC
2107158February 1, 1938Telephone systemLEWIS HERBERT ABELL TELEPHONE LABOR INC
2107155February 1, 1938Radio directional indicatorKLEINKAUF JAMES D ; MARTIN DE LOSS KBELL TELEPHONE LABOR INC
2107154February 1, 1938Telephone signaling systemKING RALPH EBELL TELEPHONE LABOR INC
2107153February 1, 1938Multiple channel electro-optical image production using mirror helixIVES HERBERT EBELL TELEPHONE LABOR INC
2107149February 1, 1938Signal distortion indicating and measuring device for printing telegraph systemsHEARN RICHARD BBELL TELEPHONE LABOR INC
2106813February 1, 1938Acoustic deviceROMANOW FRANK FBELL TELEPHONE LABOR INC
2106810February 1, 1938Signaling systemRESSLER RALPH EBELL TELEPHONE LABOR INC
2106805February 1, 1938TeletypewriterLANG WILMARTH Y ; WATSON EDWARD FBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
2106793February 1, 1938Filter including space discharge deviceBURTON EVERETT TBELL TELEPHONE LABOR INC
2106785February 1, 1938Electric filterAUGUSTADT HERBERT WBELL TELEPHONE LABOR INC
2106713February 1, 1938Wave-meterBOWEN ARNOLD EBELL TELEPHONE LABOR INC
2107759February 8, 1938Electrooptical scanning apparatusMATTKE CHARLES FBELL TELEPHONE LABOR INC
2107757February 8, 1938Acoustic deviceKINSLEY THOMAS GBELL TELEPHONE LABOR INC
2107756February 8, 1938Privacy systemKENDALL BURTON W ; DOREN MITCHELLBELL TELEPHONE LABOR INC
2107754February 8, 1938Telephone systemJOHNSTON DONALD FBELL TELEPHONE LABOR INC
2107753February 8, 1938Distortion indicating and measuring device for printing telegraph systemsHEARN RICHARD BBELL TELEPHONE LABOR INC
2107752February 8, 1938Electrical deviceHARLEY JOHN BBELL TELEPHONE LABOR INC
2107751February 8, 1938Terminal stripGOFF HAROLD WBELL TELEPHONE LABOR INC
2107746February 8, 1938Relay circuitBUSCH ALOYSIUS JBELL TELEPHONE LABOR INC
2108642February 15, 1938Magnetic deviceBOARDMAN EDWARD MBELL TELEPHONE LABOR INC
2108640February 15, 1938Electron discharge apparatusBIELING CARL ABELL TELEPHONE LABOR INC
2108637February 15, 1938Testing apparatusBARTGIS CHARLES PBELL TELEPHONE LABOR INC
2108635February 15, 1938Shield for ignition plugsAIKEN CHARLES B ; THOMAS DURFEEBELL TELEPHONE LABOR INC
2108830February 22, 1938Electron discharge apparatusSKELLETT ALBERT MBELL TELEPHONE LABOR INC
2109744March 1, 1938Electrooptical scanning apparatusFRANK GRAYBELL TELEPHONE LABOR INC
2110569March 8, 1938Magnetic materialCIOFFI PAUL PBELL TELEPHONE LABOR INC
2110460March 8, 1938Selective switchCARPENTER WARREN W ; REYNOLDS JOHN NBELL TELEPHONE LABOR INC
2110457March 8, 1938Undersea cable systemWENTZ JESSE FBELL TELEPHONE LABOR INC
2110438March 8, 1938Impulse repeaterCUMMINGS GEORGE C ; HEARN RICHARD BBELL TELEPHONE LABOR INC
2110433March 8, 1938Take-up device for telephone switchboard cordsYOST LLOYD ABELL TELEPHONE LABOR INC
2110286March 8, 1938Teletypewriter equipmentBURGESS ALFRED ABELL TELEPHONE LABOR INC
2110284March 8, 1938Repeater systemBACHELET ALBERT E ; SMART BRANDBELL TELEPHONE LABOR INC
2110278March 8, 1938Translating circuitSHAW ROBERT CBELL TELEPHONE LABOR INC
2110271March 8, 1938Welding deviceMAY DAVID TBELL TELEPHONE LABOR INC
2110200March 8, 1938Acoustic deviceCLARKE HARRY RBELL TELEPHONE LABOR INC
2111652March 22, 1938Communicating systemWILLIAMS SAMUEL BBELL TELEPHONE LABOR INC
2111651March 22, 1938High-frequency transmission systemWENTZ JESSE FBELL TELEPHONE LABOR INC
2111646March 22, 1938Signaling systemSOFFEL ROBERT OBELL TELEPHONE LABOR INC
2111644March 22, 1938Teletypewriter equipmentSINGER FRED JBELL TELEPHONE LABOR INC
2111632March 22, 1938Relay circuitKANNENBERG WALTER FBELL TELEPHONE LABOR INC
2111626March 22, 1938Ultrahigh frequency generatorHEISING RAYMOND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2111625March 22, 1938Electron discharge deviceHEISING RAYMOND ABELL TELEPHONE LABOR INC
2111615March 22, 1938Signaling systemCRAMER WALTER WBELL TELEPHONE LABOR INC
2111607March 22, 1938Repeatered line systemBLACK KNOX CBELL TELEPHONE LABOR INC
2111602March 22, 1938Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
2111598March 22, 1938Frequency indicating and controlling apparatusMARRISON WARREN ABELL TELEPHONE LABOR INC
2112542March 29, 1938Electromagnet and controlling circuits thereforOSCAR MYERSBELL TELEPHONE LABOR INC
2112541March 29, 1938Measuring circuitsMORTON EDMUND RBELL TELEPHONE LABOR INC
2112533March 29, 1938Frequency changer systemKALB ROBERT MBELL TELEPHONE LABOR INC
2112515March 29, 1938Two-way signaling systemBJORNSON BJORN G ; BRYANT NEW TON WBELL TELEPHONE LABOR INC
2112375March 29, 1938Timing mechanismMEAD EDWARD DBELL TELEPHONE LABOR INC
2112370March 29, 1938Wire spacing bracketKLEIN CHARLES HBELL TELEPHONE LABOR INC
2112366March 29, 1938Telephone control circuitHERSEY RALPH EBELL TELEPHONE LABOR INC
2113256April 5, 1938Film driving mechanismJEANNE ARMAND LBELL TELEPHONE LABOR INC
2113254April 5, 1938Television systemGRAY FRANKBELL TELEPHONE LABORATORIES, INCORPORATED
2113221April 5, 1938Signaling systemPULLIS GEORGE ABELL TELEPHONE LABOR INC
2113220April 5, 1938Rectifier systemPOWER JAMES RBELL TELEPHONE LABOR INC
2113217April 5, 1938Signaling systemNELSON STANLEY FBELL TELEPHONE LABOR INC
2113215April 5, 1938Cross-bar switchMAGRATH ARTHUR CBELL TELEPHONE LABOR INC
2113210April 5, 1938Frequency stable electric discharge oscillatorHIGHT STUART CBELL TELEPHONE LABOR INC
2112951April 5, 1938Telephone systemCARPENTER WARREN W ; MATTHIES WILLIAM HBELL TELEPHONE LABOR INC
2114253April 12, 1938Telegraph exchange systemLARGE WAYNE V K ; LOCKE GEORGE ABELL TELEPHONE LABOR INC
2114046April 12, 1938Switching mechanismBURWELL JOHN ABELL TELEPHONE LABOR INC
2114036April 12, 1938Frequency stabilization systemSMITH JOHN W ; THAYER GORDEN NBELL TELEPHONE LABOR INC
2114035April 12, 1938Electron discharge apparatusSKELLETT ALBERT MBELL TELEPHONE LABOR INC
2114023April 12, 1938Telegraph exchange systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2114017April 12, 1938Cable terminalDRING ARTHUR WBELL TELEPHONE LABOR INC
2114016April 12, 1938Electrical counting systemDIMOND THOMAS L.BELL TELEPHONE LABORATORIES, INCORPORATED
2114478April 19, 1938Oscillation generatorSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2114477April 19, 1938Holder for memorandum padsRITCHIE GEORGE ABELL TELEPHONE LABOR INC
2114471April 19, 1938Sound recording and reproducing systemKELLER ARTHUR C ; MOUNT VERNON ; RAFUSE IRAD SBELL TELEPHONE LABOR INC
2114458April 19, 1938Resistance deviceSCHAFER ARTHUR HBELL TELEPHONE LABOR INC
2114439April 19, 1938Electron discharge deviceCLARK JAMES E ; RONCI VICTOR LBELL TELEPHONE LABOR INC
2115152April 26, 1938Protective and alarm systemEDWARD VROOMBELL TELEPHONE LABOR INC
2115148April 26, 1938Sound reproducing systemPOLLARD CHARLES EBELL TELEPHONE LABOR INC
2115145April 26, 1938Piezoelectric crystal holderKOERNER LAWRENCE FBELL TELEPHONE LABOR INC
2115143April 26, 1938Electrical cableHARRISON HENRY CBELL TELEPHONE LABOR INC
2115141April 26, 1938Transmission regulating systemECKBERG CURTIS RBELL TELEPHONE LABOR INC
2115140April 26, 1938Transmission control in signaling systemsDICKIESON ALTON CBELL TELEPHONE LABOR INC
2115138April 26, 1938Wave transmission networkSIDNEY DARLINGTONBELL TELEPHONE LABOR INC
2115133April 26, 1938Telephone systemALLISON SEWELL WBELL TELEPHONE LABOR INC
2115836May 3, 1938Electromagnetic switching deviceZUPA FRANK ABELL TELEPHONE LABOR INC
2115828May 3, 1938Electron emitting cathode and method of preparationPRESCOTT JR CHARLES HBELL TELEPHONE LABOR INC
2115826May 3, 1938Impedance transformerNORTON EDWARD L ; WICK RONALD FBELL TELEPHONE LABOR INC
2115818May 3, 1938Wave transmission networkEMORY LAKATOSBELL TELEPHONE LABOR INC
2115808May 3, 1938Electrical recorderGERMANTON CHARLES EBELL TELEPHONE LABOR INC
2115804May 3, 1938Electromagnetic switchWILLIAM FONDILLERBELL TELEPHONE LABOR INC
2115803May 3, 1938Signaling systemDUDLEY HOMER WBELL TELEPHONE LABOR INC
2115801May 3, 1938Line overflow recorderCOLLIS RAYMOND E ; OSCAR MYERSBELL TELEPHONE LABOR INC
2117001May 10, 1938Electron discharge deviceHALE DOUGLAS A S ; RONCI VICTOR LBELL TELEPHONE LABOR INC
2116996May 10, 1938Variable tuned circuitsCRAWFORD ARTHUR BBELL TELEPHONE LABOR INC
2116600May 10, 1938Electrical transmission controlFISHER JOSEPH R ; MALLINCKRODT CHARLES OBELL TELEPHONE LABOR INC
2116586May 10, 1938Strip feeding mechanismSTOLLER HUGH MBELL TELEPHONE LABOR INC
2116580May 10, 1938Coin collector electromagnetMELICK JOHN MBELL TELEPHONE LABOR INC
2116562May 10, 1938Soldering ironCRUSER VICTOR I.BELL TELEPHONE LABORATORIES, INCORPORATED
2116559May 10, 1938Modulating systemCARUTHERS ROBERT S.BELL TELEPHONE LABORATORIES, INCORPORATED
2116558May 10, 1938Signal control circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
2117843May 17, 1938Frequency selective circuitsGREEN CHARLES WBELL TELEPHONE LABOR INC
2117835May 17, 1938Telephone signaling systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2117752May 17, 1938Harmonic producerWRATHALL LELSHMAN RBELL TELEPHONE LABOR INC
2117739May 17, 1938Signaling systemMILLER RALPH LBELL TELEPHONE LABOR INC
2117723May 17, 1938Telegraph repeaterHYSKO JOHN LBELL TELEPHONE LABOR INC
2117709May 17, 1938Electron discharge deviceDAVISSON CLINTON JBELL TELEPHONE LABOR INC
2117708May 17, 1938Circuit for controlling signal transmission in two-way signaling systemsDAVIS KINGSBURY HBELL TELEPHONE LABOR INC
2117705May 17, 1938Teletypewriter systemCRAMER WALTER W ; CUMMINGS GEORGE CBELL TELEPHONE LABOR INC
2117702May 17, 1938Switching mechanismBURWELL JOHN ABELL TELEPHONE LABOR INC
2117698May 17, 1938Transmission systemBUDENBOM HORACE TBELL TELEPHONE LABOR INC
2117692May 17, 1938Battery boxATKINS GEORGE EBELL TELEPHONE LABOR INC
2118258May 24, 1938Relay mechanismMAGRATH ARTHUR CBELL TELEPHONE LABOR INC
2118247May 24, 1938Message registration checking systemKECKLER CHARLES W ; OSTEN-SACKEN IRVING CBELL TELEPHONE LABOR INC
2118246May 24, 1938Regulating systemJUTSON ROBERT PBELL TELEPHONE LABOR INC
2118179May 24, 1938TelegraphoneELLIS WILLIAM C ; GREINER EARL SBELL TELEPHONE LABOR INC
2118175May 24, 1938Control circuitsDOBA JR STEPHENBELL TELEPHONE LABOR INC
2118161May 24, 1938Receiving system for frequency modulated wavesCHAFFEE JOSEPH GBELL TELEPHONE LABOR INC
2118156May 24, 1938Impulse operated system employing glow discharge tubesBURTON EVERETT TBELL TELEPHONE LABOR INC
2119239May 31, 1938Telephone systemJOHN MESZAR ; WIESE FLOYD MBELL TELEPHONE LABOR INC
2119212May 31, 1938Volume indicatorHENRY KAHLBELL TELEPHONE LABOR INC
2119211May 31, 1938Telephone systemHOLDEN WILLIAM H TBELL TELEPHONE LABOR INC
2119209May 31, 1938Telephone systemHALL OLIVER C ; TOOMEY JOHN FBELL TELEPHONE LABOR INC
2118952May 31, 1938Loaded transmission lineSTRIEBY MAURICE E.BELL TELEPHONE LABORATORIES, INCORPORATED
2118935May 31, 1938Switch mechanismMAGRATH ARTHUR CBELL TELEPHONE LABOR INC
2118931May 31, 1938Space discharge tube circuitLLEWELLYN FREDERICK BBELL TELEPHONE LABOR INC
2118919May 31, 1938Testing arrangement for electron discharge devices and methods of operating sameGANNETT DANFORTH KBELL TELEPHONE LABOR INC
2119855June 7, 1938Electric discharge deviceCHARLES DEPEWBELL TELEPHONE LABOR INC
2119853June 7, 1938Electric wave transmission systemCURTIS HAROLD E.BELL TELEPHONE LABORATORIES, INCORPORATED
2119607June 7, 1938Radio communicating systemSTERBA ERNEST JBELL TELEPHONE LABOR INC
2119559June 7, 1938Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
2120421June 14, 1938RelayWAGAR HAROLD NBELL TELEPHONE LABOR INC
2120419June 14, 1938Telephone systemMACDONALD STOKELY GRACEBELL TELEPHONE LABOR INC
2120413June 14, 1938Selective switchMATTHIES WILLIAM HBELL TELEPHONE LABOR INC
2120408June 14, 1938Selective switchHICKMAN CLARENCE NBELL TELEPHONE LABOR INC
2120407June 14, 1938Timing apparatusFRANK HARDYBELL TELEPHONE LABOR INC
2120398June 14, 1938Cable stripping toolEDWARDS PAUL G. ; JORDAN HOMER G. ; SHACKLETON SAMUEL P.BELL TELEPHONE LABORATORIES, INCORPORATED
2120396June 14, 1938Electrical contact memberDOMALESKI JOSEPH VBELL TELEPHONE LABOR INC
2121419June 21, 1938Call distributing telephone systemBLAKE FOSTER BBELL TELEPHONE LABOR INC
2121142June 21, 1938System for the artificial production of vocal or other soundsDUDLEY HOMER WBELL TELEPHONE LABOR INC
2121141June 21, 1938Electrical power indicating apparatusLANGE OWEN E. DEBELL TELEPHONE LABORATORIES, INCORPORATED
2120994June 21, 1938Carrier communication systemTIDD WARREN HBELL TELEPHONE LABOR INC
2120989June 21, 1938Mechanical driveHARRY PFANNENSTIEHLBELL TELEPHONE LABOR INC
2120985June 21, 1938Electromagnetic deviceMELHOSE ALFRED EBELL TELEPHONE LABOR INC
2120979June 21, 1938Acoustic element for sound studiosHUNT FRANKLIN LBELL TELEPHONE LABOR INC
2120973June 21, 1938Electrical coilEGINHARD DIETZE ; FOLEY JOHN WBELL TELEPHONE LABOR INC
2120972June 21, 1938Converting systemBLOUNT FRANK EBELL TELEPHONE LABOR INC
2120971June 21, 1938System and method of determining distanceBAILEY ARNOLD BBELL TELEPHONE LABOR INC
2122495July 5, 1938Magnetron oscillatorSCOTT HERBERT JBELL TELEPHONE LABOR INC
2122463July 5, 1938Method of enameling wireFULLER CALVIN SBELL TELEPHONE LABOR INC
2122458July 5, 1938Film sprocketELMER LLOYD ABELL TELEPHONE LABOR INC
2123455July 12, 1938Lead weldingTHOMAS JR UPTON BBELL TELEPHONE LABOR INC
2123241July 12, 1938Electric wave amplifierHARLEY JOHN BBELL TELEPHONE LABOR INC
2123236July 12, 1938Crystal holderFAIR IRVIN EBELL TELEPHONE LABOR INC
2123232July 12, 1938Telegraph signal repeaterCRAMER WALTER WBELL TELEPHONE LABOR INC
2123229July 12, 1938Selector switchCARPENTER WARREN W ; MALLINA RUDOLPH FBELL TELEPHONE LABOR INC
2123228July 12, 1938Selector switchCARPENTER WARREN WBELL TELEPHONE LABOR INC
2123227July 12, 1938Piezoelectric deviceBIELING CARL ABELL TELEPHONE LABOR INC
2123178July 12, 1938AmplifierBODE HENDRIK WBELL TELEPHONE LABOR INC
2123177July 12, 1938Acoustic deviceNELSON BLOUNTBELL TELEPHONE LABOR INC
2124596July 26, 1938Piezoelectric crystal apparatusSYKES ROGER ABELL TELEPHONE LABOR INC
2125317August 2, 1938Electron discharge deviceRONCI VICTOR LBELL TELEPHONE LABOR INC
2125316August 2, 1938Method of forming glass to metal sealsRONCI VICTOR LBELL TELEPHONE LABOR INC
2125315August 2, 1938Method of forming glass to metal sealsRONCI VICTOR LBELL TELEPHONE LABOR INC
2125280August 2, 1938Electron discharge apparatusBIELING CARL ABELL TELEPHONE LABOR INC
2125279August 2, 1938Electron discharge deviceBIELING CARL ABELL TELEPHONE LABOR INC
2126566August 9, 1938Acoustic deviceMARSHALL ROBERT NBELL TELEPHONE LABOR INC
2126562August 9, 1938RelayEMORY LAKATOSBELL TELEPHONE LABOR INC
2126549August 9, 1938Pneumatic ticket distributing systemHAMPTON LEON N ; SMITH ALBERT KBELL TELEPHONE LABOR INC
2126535August 9, 1938Teletypewriter systemCORWIN THOMAS L ; SWEZEY BURDETTE S ; WATSON EDWARD FBELL TELEPHONE LABOR INC
AMERICAN TELEPHONE & TELEGRAPH
2126530August 9, 1938Signaling systemBLACK HAROLD S ; TASSEL EARL K VANBELL TELEPHONE LABOR INC
2126529August 9, 1938Transmission systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2126363August 9, 1938Dielectric materialWHITE ADDISON H. ; YAGER WILLIAM A.BELL TELEPHONE LABORATORIES, INCORPORATED
2126265August 9, 1938Phasing and synchronizing of signaling apparatusKNOOP WILLIAM ABELL TELEPHONE LABOR INC
2127201August 16, 1938Wave transmission networkSTEPHEN BOBISBELL TELEPHONE LABOR INC
2127109August 16, 1938Driving means for adjustable apparatusENGELHARDT GEORGE BBELL TELEPHONE LABOR INC
2126932August 16, 1938Testing deviceSPYUT ALBERT BBELL TELEPHONE LABOR INC
2126929August 16, 1938Sound reproducing systemSNOW WILLIAM B ; STEINBERG JOHN CBELL TELEPHONE LABOR INC
2126917August 16, 1938Space discharge amplifier circuitPETERSON LISS CBELL TELEPHONE LABOR INC
2126915August 16, 1938Wave transmission networkNORTON EDWARD LBELL TELEPHONE LABOR INC
2126895August 16, 1938Electrical timing arrangementKNOTT WILLIAM MBELL TELEPHONE LABOR INC
2126891August 16, 1938Cable terminalKELSAY LE ROY WBELL TELEPHONE LABOR INC
2126886August 16, 1938Acoustic rectifying deviceHIGHT STUART CBELL TELEPHONE LABOR INC
2126875August 16, 1938Selection controlling apparatus for telephone systemsDIMOND THOMAS LBELL TELEPHONE LABOR INC
2126859August 16, 1938Frequency converterAFFEL HERMAN ABELL TELEPHONE LABOR INC
2128442August 30, 1938Prepayment telephone systemULRICH HORACE WBELL TELEPHONE LABOR INC
2128427August 30, 1938Vacuum switchMEANS WINTHROP JBELL TELEPHONE LABOR INC
2128420August 30, 1938Piezoelectric crystal mountingLASKEY WILLIAM GBELL TELEPHONE LABOR INC
2128412August 30, 1938Cable plugHARLEY JOSEPH JBELL TELEPHONE LABOR INC
2128411August 30, 1938Telephone systemHALLIGAN CLAIR WBELL TELEPHONE LABOR INC
2128410August 30, 1938Multiconductor signaling cableHALL ARTHUR GBELL TELEPHONE LABOR INC
2128230August 30, 1938Power transfer circuitCOX LESLIE RBELL TELEPHONE LABOR INC
2129011September 6, 1938Telephone systemLAMBERTY FREDERICK RBELL TELEPHONE LABOR INC
2129008September 6, 1938CondenserKATER JOSEPH ABELL TELEPHONE LABOR INC
2129004September 6, 1938Radio signalingMARGARET GREIG ETHELBELL TELEPHONE LABOR INC
2129001September 6, 1938Automatic cameraGOEHNER WILLIAM RBELL TELEPHONE LABOR INC
2129000September 6, 1938CondenserGIVEN FREDERICK JBELL TELEPHONE LABOR INC
2128991September 6, 1938Wrench deviceEIGHMEY DAVID TBELL TELEPHONE LABOR INC
2129890September 13, 1938RegulatorTRUCKSESS DAVID EBELL TELEPHONE LABOR INC
2129870September 13, 1938Amplitude modulation systemRACK ALOIS JBELL TELEPHONE LABOR INC
2129860September 13, 1938Privacy systemDOREN MITCHELLBELL TELEPHONE LABOR INC
2129849September 13, 1938Electron discharge deviceLAICO JOSEPH PBELL TELEPHONE LABOR INC
2129820September 13, 1938Modulation system for ultra-short wavesCHAFFEE JOSEPH GBELL TELEPHONE LABOR INC
2129669September 13, 1938Guided wave transmissionBOWEN ARNOLD EBELL TELEPHONE LABOR INC
2130517September 20, 1938Gain control circuitsWILSON IRA GBELL TELEPHONE LABOR INC
2130510September 20, 1938Electron discharge deviceSAMUEL ARTHUR LBELL TELEPHONE LABOR INC
2130508September 20, 1938Inductance deviceEUGENE PETERSONBELL TELEPHONE LABOR INC
2130499September 20, 1938RelayKNOWLTON CLARENCE S ; SPICER HOBART MBELL TELEPHONE LABOR INC
2130485September 20, 1938Diversity radio receiverFELDMAN CARL B H ; POLKINGHORN FRANK ABELL TELEPHONE LABOR INC
2130482September 20, 1938Telephone systemBOWNE LANGFORD JBELL TELEPHONE LABOR INC
2131715September 27, 1938Electrooptical apparatusBALDWIN JR MILLARD WBELL TELEPHONE LABOR INC
2131593September 27, 1938Acoustic deviceMARSHALL ROBERT NBELL TELEPHONE LABOR INC
2131589September 27, 1938Signaling systemHALLIGAN CLAIR WBELL TELEPHONE LABOR INC
2131585September 27, 1938Supply circuitCURTIS AUSTEN MBELL TELEPHONE LABOR INC
2131584September 27, 1938Switching deviceCRUSER VICTOR IBELL TELEPHONE LABOR INC
2131580September 27, 1938Control circuitsBJORNSON BJORN GBELL TELEPHONE LABOR INC
2131578September 27, 1938Monitoring circuit for telephone systemsBACHELET ALBERT E ; GIBSON EARL SBELL TELEPHONE LABOR INC
2131393September 27, 1938Electric wave amplifying systemSTILLWELL ALBERT LBELL TELEPHONE LABOR INC
2131366September 27, 1938Electric wave amplifying systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2131365September 27, 1938Wave translation systemBLACK HAROLD SBELL TELEPHONE LABOR INC
2131173September 27, 1938Cable sheath extruding pressGREENALL CHARLES HBELL TELEPHONE LABOR INC
2132241October 4, 1938Telephone systemHENRY HOVLANDBELL TELEPHONE LABOR INC
2132225October 4, 1938Timing apparatusVICTOR SUBRIZIBELL TELEPHONE LABOR INC
2132214October 4, 1938Measuring systemOSCAR MYERSBELL TELEPHONE LABOR INC
2132213October 4, 1938Recorder of liquid level heightsLOCKE GEORGE ABELL TELEPHONE LABOR INC
2132205October 4, 1938Secret transmissionDICKIESON ALTON CBELL TELEPHONE LABOR INC
2132203October 4, 1938Electrical connecterCLARK JAMES EBELL TELEPHONE LABOR INC
2131870October 4, 1938Telegraph systemCRAMER WALTER WBELL TELEPHONE LABOR INC
2132857October 11, 1938Telephone systemLANG ALBERT G ; NEELY THOMAS HBELL TELEPHONE LABOR INC
2133832October 18, 1938System for compensating for differences in potentialPULLIS GEORGE ABELL TELEPHONE LABOR INC
2133831October 18, 1938Lubricating devicePRITCHARD WILLIAM TBELL TELEPHONE LABOR INC
2133815October 18, 1938Phonograph reproducerHARRISON HENRY CBELL TELEPHONE LABOR INC
2133814October 18, 1938Telephone systemHALLIGAN CLAIR WBELL TELEPHONE LABOR INC
2133806October 18, 1938Radio communication systemEDMOND BRUCEBELL TELEPHONE LABOR INC
2133794October 18, 1938Clutch mechanismBARBER CHARLES CBELL TELEPHONE LABOR INC
2133475October 18, 1938Call transmitterRICHARD CHARLES DBELL TELEPHONE LABOR INC
2133456October 18, 1938Regenerative telegraph repeaterKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2133448October 18, 1938Joint for electrical conductorsHARLEY JOSEPH JBELL TELEPHONE LABOR INC
2133434October 18, 1938Electric discharge deviceCHARLES DEPEW ; RONCL VICTOR LBELL TELEPHONE LABOR INC
2133429October 18, 1938Gain control circuitCOX LESLIE R ; TERRY DONALD MBELL TELEPHONE LABOR INC
2134718November 1, 1938Electron discharge apparatusKNOOP WILLIAM A.BELL TELEPHONE LABORATORIES, INCORPORATED
2135610November 8, 1938HornWENTE EDWARD C.BELL TELEPHONE LABORATORIES, INCORPORATED
2135609November 8, 1938Loaded transmission lineTASSEL EARL KENNETH VANBELL TELEPHONE LABORATORIES, INCORPORATED
2135596November 8, 1938Relay circuitNYQUIST HARRYBELL TELEPHONE LABORATORIES, INCORPORATED
2135581November 8, 1938Synchronous receiving systemKNOOP WILLIAM A.BELL TELEPHONE LABORATRIES, INCORPORATED
2135566November 8, 1938Gain control circuitDIXON JOHN T.BELL TELEPHONE LABORATORIES, INCORPORATED
2135562November 8, 1938Thermionic amplifierCOUSINS VAN M.BELL TELEPHONE LABORATORIES, INCORPORATED
2137037November 15, 1938Film driving elementTERRY ROY VBELL TELEPHONE LABOR INC
2137036November 15, 1938Transmission systemTAYLOR EDMUND RBELL TELEPHONE LABOR INC
2137032November 15, 1938Sound reproducing systemSNOW WILLIAM BBELL TELEPHONE LABOR INC
2137023November 15, 1938Carrier communicating systemNEWTON MONKBELL TELEPHONE LABOR INC
2137021November 15, 1938Support for base platesLUM GEORGE RBELL TELEPHONE LABOR INC
2136630November 15, 1938Telephone systemMASSONNEAU ROBERT FBELL TELEPHONE LABOR INC
2136624November 15, 1938Coin collector baseKUHN JOHN JBELL TELEPHONE LABOR INC
2136621November 15, 1938Antenna selector systemKING ARCHIE P ; OHL RUSSELL SBELL TELEPHONE LABOR INC
2136620November 15, 1938Telephone systemKING GERALD VBELL TELEPHONE LABOR INC
2136612November 15, 1938Electromagnetic multiswitching apparatusDUBUAR ARTHUR SBELL TELEPHONE LABOR INC
2136602November 15, 1938Teletypewriter projectorATKINS GEORGE EBELL TELEPHONE LABOR INC
2137818November 22, 1938RelayWAGAR HAROLD NBELL TELEPHONE LABOR INC
2137809November 22, 1938Terminal connection for electrical devicesRODGERS KARL FBELL TELEPHONE LABOR INC
2137793November 22, 1938Telephone systemANDERSON EMIL N ; GETZ EMIL L ; ULRICH HORACE WAMERICAN TELEPHONE & TELEGRAPH
BELL TELEPHONE LABOR INC
2138613November 29, 1938Signaling systemPRUDEN HAROLD MBELL TELEPHONE LABOR INC
2138580November 29, 1938Printing telegraph systemKINKEAD FULLERTON SBELL TELEPHONE LABOR INC
2138577November 29, 1938Electro-optical transmissionFRANK GRAYBELL TELEPHONE LABOR INC
2138571November 29, 1938InsulatorDEHMEL RICHARD CBELL TELEPHONE LABOR INC
2138565November 29, 1938Signaling systemBASCOM HENRY MBELL TELEPHONE LABOR INC
2139249December 6, 1938Telephone systemWELCH PAUL V.BELL TELEPHONE LABORATORIES, INCORPORATED
2139247December 6, 1938Telephone systemSTOKELY RAY L.BELL TELEPHONE LABORATORIES, INCORPORATED
2139236December 6, 1938Gain control circuitKINZER JOHN P. ; WILSON IRA G.BELL TELEPHONE LABORATORIES, INCORPORATED
2139233December 6, 1938Multichannel television systemIVES HERBERT E.BELL TELEPHONE LABORATORIES, INCORPORATED
2139232December 6, 1938Transmission systemHYSKO JOHN L.BELL TELEPHONE LABORATORIES INCORPORATED
2139230December 6, 1938High efficiency oscillator of the barkhausen typeHEISING RAYMOND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2139220December 6, 1938Electromechanical wave filterBLACKMAN RALPH B. ; LAKATOS EMORYBELL TELEPHONE LABORATORIES, INCORPORATED
2140174December 13, 1938Antenna accessorySMITH PHILLIP H.BELL TELEPHONE LABORATORIES, INCORPORATED
2140154December 13, 1938Inductive deviceGREENIDGE RALPH M. C.BELL TELEPHONE LABORATORIES, INCORPORATED
2140145December 13, 1938Antenna systemSTERBA ERNEST J.BELL TELEPHONE LABORATORIES, INCORPORATED
2140139December 13, 1938Electromagnetic devicePRATT EDWARD J.BELL TELEPHONE LABORATORIES, INCORPORATED
2140138December 13, 1938Impulse transmitterMILLER ALBERT H.BELL TELEPHONE LABORATORIES, INCORPORATED
2140126December 13, 1938Rotary switchBROADWELL HOWARDBELL TELEPHONE LABORATORIES, INCORPORATED
2139685December 13, 1938Electron discharge deviceLAICO JOSEPH P.BELL TELEPHONE LABORATORIES, INCORPORATED
2139678December 13, 1938Electron discharge deviceGLASS MYRON S.BELL TELEPHONE LABORATORIES, INCORPORATED
2140930December 20, 1938Telephone systemWELCH PAUL V.BELL TELEPHONE LABORATORIES, INCORPORATED
2140922December 20, 1938Grid controlled rectifier circuitJR. GEORGE H. ROCKWOOD,BELL TELEPHONE LABORATORIES, INCORPORATED
2140915December 20, 1938Distortion correction in wave transmissionJR. JOHN G. KREER,BELL TELEPHONE LABORATORIES, INCORPORATED
2140912December 20, 1938Single side-band transmission systemHUBER GEORGE H.BELL TELEPHONE LABORATORIES, INCORPORATED
2140900December 20, 1938Distortion correction in wave transmissionDIXON JOHN T. ; JR. JOHN G. KREER,BELL TELEPHONE LABORATORIES, INCORPORATED
2140894December 20, 1938Terminal stripBROWN WOLFE WBELL TELEPHONE LABOR INC
2140492December 20, 1938Distortion correction in wave transmissionBLACK HAROLD S.BELL TELEPHONE LABORATORIES, INCORPORATED
2141746December 27, 1938Electro-optical image producing deviceGRAY FRANKBELL TELEPHONE LABORATORIES, INCORPORATED
2141420December 27, 1938Acoustic deviceSWICKARD ANDREW E.BELL TELEPHONE LABORATORIES, INCORPORATED
2141388December 27, 1938Facsimile telegraph systemHARRISON HENRY C. ; POPE THOMAS J.BELL TELEPHONE LABORATORIES, INCORPORATED
2141387December 27, 1938Electron discharge deviceHALE DOUGLAS A. S.BELL TELEPHONE LABORATORIES, INCORPORATED
2141378December 27, 1938Electron discharge deviceCLARK JAMES E. ; RONCI VICTOR L.BELL TELEPHONE LABORATORIES, INCORPORATED
2141376December 27, 1938Frequency regulation of oscillators in ultra short wave receiversCHAFFEE JOSEPH G.BELL TELEPHONE LABORATORIES, INCORPORATED
2141373December 27, 1938Electrical testing systemBLOUNT FRANK E. ; HUSTA PHILIPBELL TELEPHONE LABORATORIES, INCORPORATED
2141372December 27, 1938Telephone systemBAUMFALK JOHNBELL TELEPHONE LABORATORIES, INCORPORATED
2142335January 3, 1939Radio transmitter controlSCOTT HERBERT J.BELL TELEPHONE LABORATORIES, INCORPORATED
2142331January 3, 1939Electron emitting cathodeJR. CHARLES H. PRESCOTT,BELL TELEPHONE LABORATORIES, INCORPORATED
2142316January 3, 1939Multiplex multiline carrier systemHUBER GEORGE H.BELL TELEPHONE LABORATORIES, INCORPORATED
2142313January 3, 1939Electric oscillatorHEISING RAYMOND A.BELL TELEPHONE LABORATORIES, INCORPORATED
2142138January 3, 1939Guided wave transmissionLLEWELLYN FREDERICK B.BELL TELEPHONE LABORATORIES, INCORPORATED
2143824January 10, 1939Asymmetrical conductorSMITH GEORGE O.BELL TELEPHONE LABORATORIES, INCORPORATED
2143414January 10, 1939Electrical deviceGRISDALE RICHARD OBELL TELEPHONE LABOR INC
2143407January 10, 1939Gain control circuitsCHESNUT ROY W.BELL TELEPHONE LABORATORIES, INCORPORATED
2143404January 10, 1939Acoustic deviceBRYANT HERBERT W.BELL TELEPHONE LABORATORIES, INCORPORATED
2143163January 10, 1939Carrier communication systemMONK NEWTONBELL TELEPHONE LABORATORIES, INCORPORATED
2143056January 10, 1939Transmission systemCURTIS AUSTEN M.BELL TELEPHONE LABORATORIES, INCORPORATED
2143000January 10, 1939Telegraph systemCRAMER WALTER W. ; FITCH KARL E.BELL TELEPHONE LABORATORIES, INCORPORATED
2145079January 24, 1939Telephone systemGIBSON EARL S.BELL TELEPHONE LABORATORIES, INCORPORATED
2145053January 24, 1939Signaling systemMESZAR JOHNBELL TELEPHONE LABORATORIES, INCORPORATED
2145042January 24, 1939Timing deviceDIMOND THOMAS L.BELL TELEPHONE LABORATORIES, INCORPORATED
2145024January 24, 1939Directive antennaBRUCE EDMONDBELL TELEPHONE LABORATORIES, INCORPORATED
2144873January 24, 1939Time measuring systemDIMOND THOMAS L.BELL TELEPHONE LABORATORIES, INCORPORATED
2144872January 24, 1939InsulatorCRUSER VICTOR I.BELL TELEPHONE LABORATORIES, INCORPORATED
2144867January 24, 1939Telephone systemATKINS GEORGE E.BELL TELEPHONE LABORATORIES, INCORPORATED
2144866January 24, 1939Telephone systemALLEN LOUIS M.BELL TELEPHONE LABORATORIES, INCORPORATED
2144865