| Patent | Date | Title | Inventor | Assignee |
| 2392099 | January 1, 1946 | Manufacture of glass sealed contact units | POLLARD JR CHARLES E | BELL TELEPHONE LABOR INC |
| 2392090 | January 1, 1946 | Busy test system | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2392089 | January 1, 1946 | Switching system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2391967 | January 1, 1946 | Wave generator | GEORGE HECHT ; LUNDSTROM ALEXIS A | BELL TELEPHONE LABOR INC |
| 2391954 | January 1, 1946 | Wave stabilizer | BIRNEY DYSART | BELL TELEPHONE LABOR INC |
| 2391941 | January 1, 1946 | Signaling system | BOWNE LANGFORD J | BELL TELEPHONE LABOR INC |
| 2392496 | January 8, 1946 | Transmission control in two-way signaling systems | NORWINE ANDREW C | BELL TELEPHONE LABOR INC |
| 2392434 | January 8, 1946 | Voltage regulator | TRUCKSESS DAVID E | BELL TELEPHONE LABOR INC |
| 2392429 | January 8, 1946 | Piezoelectric crystal apparatus | SYKES ROGER A | BELL TELEPHONE LABOR INC |
| 2392367 | January 8, 1946 | Electron discharge device | DEPP WALLACE A | BELL TELEPHONE LABOR INC |
| 2392356 | January 8, 1946 | Telegraph system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2392350 | January 8, 1946 | Ultrasonic cell | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2392339 | January 8, 1946 | Regenerative repeater for multiway balanced loop repeaters | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2392321 | January 8, 1946 | Desk telephone set | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2392311 | January 8, 1946 | Sealing of metallic members in molded casings | CHRISTOPHER ARTHUR J | BELL TELEPHONE LABOR INC |
| 2393548 | January 22, 1946 | Winding machine | MCCOY ROBERT G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2393790 | January 29, 1946 | Signaling device | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2393601 | January 29, 1946 | Deflecting circuit | BALDWIN JR MILLARD W | BELL TELEPHONE LABOR INC |
| 2394479 | February 5, 1946 | Resistor device | PRIESSMAN NEIL Y | BELL TELEPHONE LABOR INC |
| 2394461 | February 5, 1946 | Means for and method of measuring the impedance and reflection coefficients of surfaces | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2394008 | February 5, 1946 | Beam resonator tube | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2394927 | February 12, 1946 | Telephone call transmitter | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2394926 | February 12, 1946 | Key operated telephone call transmitter | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2394559 | February 12, 1946 | Speed control for motors | MORTON EDMUND R | BELL TELEPHONE LABOR INC |
| 2395300 | February 19, 1946 | Electrical device | SLAUSON WILLIAM C | BELL TELEPHONE LABOR INC |
| 2395299 | February 19, 1946 | Electron discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2395269 | February 19, 1946 | Impulse transmitting device | HARRY HANSEN ; MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2395259 | February 19, 1946 | Method of making dry rectifiers | ELLIS WILLIAM C ; SOUDEN ALEXANDER G | BELL TELEPHONE LABOR INC |
| 2395080 | February 19, 1946 | Speed control for motors | STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2395759 | February 26, 1946 | Resistor | PRIESSMAN NEIL Y | BELL TELEPHONE LABOR INC |
| 2395758 | February 26, 1946 | Wave translating system | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2395743 | February 26, 1946 | Method of making dry rectifiers | KANNENBERG WALTER F ; MCCOY JULIUS C | BELL TELEPHONE LABOR INC |
| 2395575 | February 26, 1946 | System for the transmission of motion | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2395560 | February 26, 1946 | Wave guide | LLEWELLYN FREDERICK B | BELL TELEPHONE LABOR INC |
| 2395540 | February 26, 1946 | Order wire circuit for carrier transmission systems | EDWARDS PAUL G | BELL TELEPHONE LABOR INC |
| 2395539 | February 26, 1946 | Telephone call transmitter | DOWEY THOMAS L | BELL TELEPHONE LABOR INC |
| 2395517 | February 26, 1946 | Speed control system for electric motors | STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2395516 | February 26, 1946 | Speed control system for electric motors | MORTON EDMUND R ; STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2395515 | February 26, 1946 | Frequency detecting network | STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2395514 | February 26, 1946 | Pilot wave generator | STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2395477 | February 26, 1946 | Motor-control circuit | GUMLEY ROBERT H | BELL TELEPHONE LABOR INC |
| 2396211 | March 5, 1946 | Selective calling signal device | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2396196 | March 5, 1946 | Controllable resistor | PEARSON GERALD L | BELL TELEPHONE LABOR INC |
| 2396187 | March 5, 1946 | Electric recorder | MEANS WINTHROP J ; THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2396111 | March 5, 1946 | Telephone system | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2396072 | March 5, 1946 | Telephone system | BABCOCK STUART M ; HORTON JR ARTHUR W ; LOGAN MASON A | BELL TELEPHONE LABOR INC |
| 2396044 | March 5, 1946 | Switching device | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2395798 | March 5, 1946 | Traffic control system | JOHN BAUMFALK | BELL TELEPHONE LABOR INC |
| 2396990 | March 19, 1946 | Automatic line testing and switching circuits | BIRNEY DYSART | BELL TELEPHONE LABOR INC |
| 2396798 | March 19, 1946 | Signaling system | MACPHERSON HUGH D | BELL TELEPHONE LABOR INC |
| 2396797 | March 19, 1946 | Trouble lockout arrangement | MACPHERSON HUGH D | BELL TELEPHONE LABOR INC |
| 2396691 | March 19, 1946 | Condenser transmitter-amplifier system | GALBREATH ROBERT R | BELL TELEPHONE LABOR INC |
| 2397126 | March 26, 1946 | Gear drive mechanism | BUHRENDORF FREDERICK G | BELL TELEPHONE LABOR INC |
| 2397123 | March 26, 1946 | Contact operation | BROWN JOHN T L | BELL TELEPHONE LABOR INC |
| 2398449 | April 16, 1946 | Method of making hermetic seals | RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2399213 | April 30, 1946 | Timing circuit | EDWARDS PAUL G | BELL TELEPHONE LABOR INC |
| 2399770 | May 7, 1946 | Sealing of glass to metal | TAYLOR RAYMOND L | BELL TELEPHONE LABOR INC |
| 2400148 | May 14, 1946 | Telephone call transmitting device | HUBBARD FRANCIS A | BELL TELEPHONE LABOR INC |
| 2400085 | May 14, 1946 | Timing mechanism | GENT EDGAR W | BELL TELEPHONE LABOR INC |
| 2400061 | May 14, 1946 | Telephone system | ABBOTT HENRY H ; BASCOM HENRY M | BELL TELEPHONE LABOR INC |
| 2400574 | May 21, 1946 | Start-stop receiving selector mechanism | REA WILTON T ; WILKERSON JEFFERSON R | BELL TELEPHONE LABOR INC |
| 2400559 | May 21, 1946 | Inductance device | MAJLINGER ANTHONY ; STEVENS BRUCE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2400893 | May 28, 1946 | Process of carbiding | THURBER ELMER A ; WOOTEN LELAND A | BELL TELEPHONE LABOR INC |
| 2401382 | June 4, 1946 | Quartz crystal testing device and method | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2401381 | June 4, 1946 | Refractoscope | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2401372 | June 4, 1946 | Electronic musical instrument | RIENSTRA ALBERT R | BELL TELEPHONE LABOR INC |
| 2401361 | June 4, 1946 | Means for protecting ships from submarine explosions | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2401355 | June 4, 1946 | Radio receiving system | HYSKO JOHN L | BELL TELEPHONE LABOR INC |
| 2401352 | June 4, 1946 | Party line identification system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2401347 | June 4, 1946 | Impulse generator | HANSEN ARNOLD A | BELL TELEPHONE LABOR INC |
| 2401328 | June 4, 1946 | Sound translating device | BLACK JR ROBERT | BELL TELEPHONE LABOR INC |
| 2401779 | June 11, 1946 | Summing amplifier | SWARTZEL JR KARL D | BELL TELEPHONE LABOR INC |
| 2401777 | June 11, 1946 | Electron discharge apparatus | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2401759 | June 11, 1946 | Directionally selective radio communication system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2401751 | June 11, 1946 | Coupling system | FRIIS HARALD T | BELL TELEPHONE LABOR INC |
| 2402188 | June 18, 1946 | Electronic device and circuits | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2402184 | June 18, 1946 | Ultra high frequency electronic device contained within wave guides | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2402147 | June 18, 1946 | Electron discharge device | CLARK JOHN W | BELL TELEPHONE LABOR INC |
| 2402839 | June 25, 1946 | Electrical translating device utilizing silicon | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2402700 | June 25, 1946 | Telephone system | WILLIAMS SAMUEL B | BELL TELEPHONE LABOR INC |
| 2402663 | June 25, 1946 | Thermoelectric device | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2402662 | June 25, 1946 | Light-sensitive electric device | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2402661 | June 25, 1946 | Alternating current rectifier | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2402617 | June 25, 1946 | Testing equipment | FETZER KARL M ; HOYT FREDERICK A | BELL TELEPHONE LABOR INC |
| 2402582 | June 25, 1946 | Preparation of silicon materials | SCAFF JACK H | BELL TELEPHONE LABOR INC |
| 2403025 | July 2, 1946 | Electron beam device | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2403023 | July 2, 1946 | Television follower apparatus | REYNOLDS FREDERICK W | BELL TELEPHONE LABOR INC |
| 2403009 | July 2, 1946 | Pulse generating system and its use in signal transmission systems | MCCANN THOMAS A | BELL TELEPHONE LABOR INC |
| 2402998 | July 2, 1946 | Wiping plate | HAMPTON LEON N | BELL TELEPHONE LABOR INC |
| 2402985 | July 2, 1946 | Magnetic recorder | CAUGHEY WILLIAM K ; SWARTZEL KARL D | BELL TELEPHONE LABOR INC |
| 2403475 | July 9, 1946 | Telephone system | BASCOM HENRY M ; HUBBARD FRANCIS A | BELL TELEPHONE LABOR INC |
| 2403468 | July 9, 1946 | Protection of communication circuit elements | SWART LELAND K | BELL TELEPHONE LABOR INC |
| 2403457 | July 9, 1946 | Terminal strip for inductive devices | RANGES JOHN E | BELL TELEPHONE LABOR INC |
| 2403445 | July 9, 1946 | Electron discharge device | LAICO JOSEPH P | BELL TELEPHONE LABOR INC |
| 2403444 | July 9, 1946 | Electron discharge device | HARTMAN PAUL L | BELL TELEPHONE LABOR INC |
| 2403443 | July 9, 1946 | Impaling instrument | KNAB EMIL D | BELL TELEPHONE LABOR INC |
| 2403441 | July 9, 1946 | Telegraph system | KNAB EMIL D | RITA SMITH KINKEAD BELL TELEPHONE LABOR INC |
| 2403997 | July 16, 1946 | Representation of complex waves | POTTER RALPH K - | BELL TELEPHONE LABOR INC, United States of America (US) |
| 2403996 | July 16, 1946 | Electron discharge apparatus | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2403990 | July 16, 1946 | Compressional wave radiator | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2403989 | July 16, 1946 | Potentiometer device | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2403986 | July 16, 1946 | Wave translation | LACY LESTER Y | BELL TELEPHONE LABOR INC |
| 2403985 | July 16, 1946 | Sound reproduction | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2403984 | July 16, 1946 | Representation of complex waves | KOENIG JR WALTER ; RUPPEL ALFRED E | BELL TELEPHONE LABOR INC |
| 2403983 | July 16, 1946 | Representation of complex waves | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2403982 | July 16, 1946 | Analysis and representation of complex waves | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2403975 | July 16, 1946 | Automatic following system | GRAHAM ROBERT E | BELL TELEPHONE LABOR INC |
| 2403974 | July 16, 1946 | System for locating the source of an explosion wave | GOODALE JR WALTER D ; LEWIS BENJAMIN F ; MARTIN WILLIAM H | BELL TELEPHONE LABOR INC |
| 2404391 | July 23, 1946 | Prismatic and high power compressional-wave radiator and receiver | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2404387 | July 23, 1946 | Electrical computing system | LOVELL CLARENCE A ; PARKINSON DAVID B ; WEBER BRUCE T | BELL TELEPHONE LABOR INC |
| 2404385 | July 23, 1946 | Spring holder for cantilever elements | MORRIS FRITTS | BELL TELEPHONE LABOR INC |
| 2404375 | July 23, 1946 | Electromechanical device | HARRY WILLIAM R | BELL TELEPHONE LABOR INC |
| 2404360 | July 23, 1946 | Tunable underwater signal source | BOSTWICK LEE G | BELL TELEPHONE LABOR INC |
| 2404802 | July 30, 1946 | Electron discharge device | LAICO JOSEPH P ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2404799 | July 30, 1946 | Submarine signal device | HARRY WILLIAM R ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2404798 | July 30, 1946 | Electromechanical device | HARRY WILLIAM R ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2404786 | July 30, 1946 | Moisture control in an electromechanical device | BOSTWICK LEE G | BELL TELEPHONE LABOR INC |
| 2404785 | July 30, 1946 | Electromechanical device | BOSTWICK LEE G ; KING JOHN H | BELL TELEPHONE LABOR INC |
| 2404784 | July 30, 1946 | Acoustic device | BOSTWICK LEE G | BELL TELEPHONE LABOR INC |
| 2405246 | August 6, 1946 | Sound recording system | WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2405242 | August 6, 1946 | Microwave radio transmission | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2405231 | August 6, 1946 | Aircraft blind landing system | NEWHOUSE RUSSELL C | BELL TELEPHONE LABOR INC |
| 2405230 | August 6, 1946 | Telephone system | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2405227 | August 6, 1946 | Geometrical instrument | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2405226 | August 6, 1946 | Low frequency projector or hydrophone | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2405225 | August 6, 1946 | Submarine signal system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2405214 | August 6, 1946 | Call distributing system | HOLBROOK BERNARD D ; LOGAN MASON A | BELL TELEPHONE LABOR INC |
| 2405211 | August 6, 1946 | Communication system | HARTLEY RALPH V L | BELL TELEPHONE LABOR INC |
| 2405210 | August 6, 1946 | Submarine signal device | INGLIS ALFRED H | BELL TELEPHONE LABOR INC |
| 2405209 | August 6, 1946 | Submarine signal device | HARRY WILLIAM R | BELL TELEPHONE LABOR INC |
| 2405194 | August 6, 1946 | Telephone system | DEHN JOSEPH W ; GODDARD MYRON C | BELL TELEPHONE LABOR INC |
| 2405192 | August 6, 1946 | Resistor | DAVIS GUSTOFF W | BELL TELEPHONE LABOR INC |
| 2405182 | August 6, 1946 | Ultrasonic ranging device | BOLLMAN JOHN H | BELL TELEPHONE LABOR INC |
| 2405180 | August 6, 1946 | Insulator | BLATTNER DAVID G ; CLAYDEN FRANCIS W | BELL TELEPHONE LABOR INC |
| 2405179 | August 6, 1946 | Electromechanical device | BLACK JR ROBERT ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2405175 | August 6, 1946 | Ultra high frequency oscillator | EUGENE ANDERSON ALVA ; SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2405618 | August 13, 1946 | Permutation code data transmission system | SMITH EDWARD M | BELL TELEPHONE LABOR INC |
| 2405617 | August 13, 1946 | Data transmission system | SINGER FRED J | BELL TELEPHONE LABOR INC |
| 2405612 | August 13, 1946 | Ultra high frequency resonant cavities | SCHELKUNOFF SERGEI A | BELL TELEPHONE LABOR INC |
| 2405611 | August 13, 1946 | Electron beam amplifier | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2405605 | August 13, 1946 | Signal translating device | GOODALE JR WALTER D ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2405604 | August 13, 1946 | Compressional wave translating device | POPE THOMAS J | BELL TELEPHONE LABOR INC |
| 2405603 | August 13, 1946 | Data transmission system | PARKER RALZEMOND D ; REA WILTON T ; SINGER FRED J | BELL TELEPHONE LABOR INC |
| 2405599 | August 13, 1946 | Privacy system | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2405597 | August 13, 1946 | Frequency measuring system | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2405591 | August 13, 1946 | Training device | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2405590 | August 13, 1946 | Detonation shield | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2405588 | August 13, 1946 | Rotary driving mechanism | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2405571 | August 13, 1946 | Cryptographic telegraph system | FITCH KARL E ; LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2405570 | August 13, 1946 | Cryptographic telegraph system | DEHN JOSEPH W | BELL TELEPHONE LABOR INC |
| 2405569 | August 13, 1946 | Cryptographic telegraph system | FITCH KARL E ; LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2406053 | August 20, 1946 | Telephone system | WRIGHT PAUL L | BELL TELEPHONE LABOR INC |
| 2406046 | August 20, 1946 | Telegraph signal enciphering key tape producing device | SWEZEY BURDETTE S | BELL TELEPHONE LABOR INC |
| 2406045 | August 20, 1946 | Inductance device | STEVENS BRUCE E | BELL TELEPHONE LABOR INC |
| 2406042 | August 20, 1946 | Carrier telegraph system | SHANCK ROY B | BELL TELEPHONE LABOR INC |
| 2406036 | August 20, 1946 | Sealed contact device | POLLARD JR CHARLES E | BELL TELEPHONE LABOR INC |
| 2406034 | August 20, 1946 | Carrier wave signaling system | PHELPS WALTER A | BELL TELEPHONE LABOR INC |
| 2406032 | August 20, 1946 | Telegraph signal enciphering mechanism | PARKER RALZEMOND D | BELL TELEPHONE LABOR INC |
| 2406031 | August 20, 1946 | Telegraph ciphering key tape machine | PARKER RALZEMOND D | BELL TELEPHONE LABOR INC |
| 2406028 | August 20, 1946 | Circuit maker and breaker | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2406024 | August 20, 1946 | Key tape device for enciphering telegraph signals | MCCANN THOMAS A | BELL TELEPHONE LABOR INC |
| 2406023 | August 20, 1946 | Teletypewriter signal enciphering system | LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2406021 | August 20, 1946 | Sealed reed contact device | LITTLE JOHN B | BELL TELEPHONE LABOR INC |
| 2406020 | August 20, 1946 | Telegraph signal enciphering mechanism | LANG WILMARTH Y ; WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2406016 | August 20, 1946 | Indicating device | HEISING RAYMOND A | BELL TELEPHONE LABOR INC |
| 2406014 | August 20, 1946 | System for locating the source of an explosion wave | HARRY WILLIAM R | BELL TELEPHONE LABOR INC |
| 2406012 | August 20, 1946 | Mechanical drive device | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2406008 | August 20, 1946 | Jig | ELLWOOD WALTER B ; HILL HENRY E | BELL TELEPHONE LABOR INC |
| 2405992 | August 20, 1946 | Directive antenna system | EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2406402 | August 27, 1946 | Frequency adjustment of resonant cavities | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2406397 | August 27, 1946 | Wire winding machine | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2406391 | August 27, 1946 | Compressional wave directional, prismatic, and focusing system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2406384 | August 27, 1946 | Data transmission system | MASON WARREN P | RITA S. KINKEAD LAWRENCE E. MELHUISH FRED J. SINGER EDWARD M. SMITH BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2406383 | August 27, 1946 | Electrical terminal | KINDERMANN WILFRED J | BELL TELEPHONE LABOR INC |
| 2406382 | August 27, 1946 | Indicating system | KELLOGG WILLIAM M | BELL TELEPHONE LABOR INC |
| 2406364 | August 27, 1946 | Oscillation generator | FRIIS HARALD T ; RIDEOUT VINCENT C | BELL TELEPHONE LABOR INC |
| 2406358 | August 27, 1946 | Ground speed meter | DOBA JR STEPHEN | BELL TELEPHONE LABOR INC |
| 2406353 | August 27, 1946 | Secret signaling | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2406352 | August 27, 1946 | Telephone privacy | MUNSON WILDEN A | BELL TELEPHONE LABOR INC |
| 2406351 | August 27, 1946 | Speech privacy system | MACNAIR WALTER A | BELL TELEPHONE LABOR INC |
| 2406350 | August 27, 1946 | Switching mechanism for signal systems | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2406349 | August 27, 1946 | Secret signaling | BUHRENDORF FREDERICK G | BELL TELEPHONE LABOR INC |
| 2406348 | August 27, 1946 | Secret telephony | BUHRENDORF FREDERICK G | BELL TELEPHONE LABOR INC |
| 2406347 | August 27, 1946 | Speech privacy communication | BUHRENDORF FREDERICK G | BELL TELEPHONE LABOR INC |
| 2406850 | September 3, 1946 | Electron discharge apparatus | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2406846 | September 3, 1946 | Winding machine | MULLER ARNO H | BELL TELEPHONE LABOR INC |
| 2406836 | September 3, 1946 | Electric air position indicator | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2406825 | September 3, 1946 | Privacy system for speech transmission | FRENCH NORMAN R | BELL TELEPHONE LABOR INC |
| 2406816 | September 3, 1946 | Sound recording projectile | ELMER LLOYD A. ; LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2406796 | September 3, 1946 | Wave filter | BIES FRANK R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2406787 | September 3, 1946 | Telegraph system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2407326 | September 10, 1946 | Woven-wire resistance and method of forming the same | PATTERSON EVERETT M | BELL TELEPHONE LABOR INC |
| 2407325 | September 10, 1946 | Range converter | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2407320 | September 10, 1946 | Electronic counter | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2407315 | September 10, 1946 | Liquid medium for ultrasonic compressional wave transmission | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2407298 | September 10, 1946 | Electron discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2407297 | September 10, 1946 | Electron discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2407296 | September 10, 1946 | Electric discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2407293 | September 10, 1946 | Frequency modulation | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2407288 | September 10, 1946 | Resistor device | KLEIMACK JOSEPH J ; PEARSON GERALD L | BELL TELEPHONE LABOR INC |
| 2407286 | September 10, 1946 | Communication system | RITA SMITH KINKEAD GEORGE A LOCKE BELL TELEPHONE LABOR INC | |
| 2407274 | September 10, 1946 | Ultra high frequency electronic device | HARTLEY RALPH V L ; SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2407260 | September 10, 1946 | Privacy system | DICKIESON ALTON C | BELL TELEPHONE LABOR INC |
| 2407259 | September 10, 1946 | Transmission control in signaling systems | DICKIESON ALTON C | BELL TELEPHONE LABOR INC |
| 2407251 | September 10, 1946 | Resistor | HOWARD CHRISTENSEN | BELL TELEPHONE LABOR INC |
| 2407241 | September 10, 1946 | Monitoring system | BASCOM HENRY M | BELL TELEPHONE LABOR INC |
| 2407240 | September 10, 1946 | Projecting and retracting mechanism for underwater signal sources | BARBER CHARLES C | BELL TELEPHONE LABOR INC |
| 2407238 | September 10, 1946 | Carrier communication system | ABRAHAM LEONARD G | BELL TELEPHONE LABOR INC |
| 2407690 | September 17, 1946 | Wave guide electrotherapeutic system | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2407684 | September 17, 1946 | Radio communication system | ROBERTS LELAND C | BELL TELEPHONE LABOR INC |
| 2407678 | September 17, 1946 | Thermoelectric system | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2407667 | September 17, 1946 | Harmonic generator | KIRCHER REYMOND J | BELL TELEPHONE LABOR INC |
| 2407650 | September 17, 1946 | Wiper contact for electrical devices | BUTTERFIELD JOSEPH T ; KNAPP HARRY M ; RUNYON BENJAMIN F | BELL TELEPHONE LABOR INC |
| 2407649 | September 17, 1946 | Direction finding system | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2408108 | September 24, 1946 | Television image production | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2408100 | September 24, 1946 | Telegraph permutation code signal translator | SHIPLEY FRANK F | BELL TELEPHONE LABOR INC |
| 2408093 | September 24, 1946 | Method of making wire-wound cardtype resistance devices | PATTERSON EVERETT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2408092 | September 24, 1946 | Wire-wound resistance and method of making same | PATTERSON EVERETT M | BELL TELEPHONE LABOR INC |
| 2408086 | September 24, 1946 | Impulse system | MEACHAM LARNED A ; MOHR MILTON E ; PARKER CARLYLE V | BELL TELEPHONE LABOR INC |
| 2408085 | September 24, 1946 | Communication system | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2408081 | September 24, 1946 | Artillery predictor | LOVELL CLARENCE A. ; PARKINSON DAVID B. ; JR. KARL D. SWARTZEL, ; WEBER BRUCE T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2408074 | September 24, 1946 | Teletypewriter switchboard | KOOS PAUL V | BELL TELEPHONE LABOR INC |
| 2408072 | September 24, 1946 | Telephone repeater circuit | JOHNSON KENNETH S | BELL TELEPHONE LABOR INC |
| 2408046 | September 24, 1946 | Electrical resistance unit | COYNE HOWARD L ; KUHN JOHN J ; ROSS JOHN E | BELL TELEPHONE LABOR INC |
| 2408033 | September 24, 1946 | Coupling system | BECK ALFRED C | BELL TELEPHONE LABOR INC |
| 2408032 | September 24, 1946 | Coupling arrangement | BECK ALFRED C | BELL TELEPHONE LABOR INC |
| 2408462 | October 1, 1946 | Telephone system | WISE RAYMOND O | BELL TELEPHONE LABOR INC |
| 2408437 | October 1, 1946 | Harmonic generating system | MCRAE JAMES W | BELL TELEPHONE LABOR INC |
| 2408436 | October 1, 1946 | Multiplex compressional wave system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2408435 | October 1, 1946 | Pipe antenna and prism | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2408433 | October 1, 1946 | Telephone system | MALTHANER WILLIAM A | BELL TELEPHONE LABOR INC |
| 2408432 | October 1, 1946 | Telephone system | MALONEY MARTIN E | BELL TELEPHONE LABOR INC |
| 2408423 | October 1, 1946 | High frequency amplifying apparatus | HARTLEY RALPH V L | BELL TELEPHONE LABOR INC |
| 2408410 | October 1, 1946 | Frequency converter | CLARK JOHN W | BELL TELEPHONE LABOR INC |
| 2408409 | October 1, 1946 | Ultra high frequency electronic device | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2408809 | October 8, 1946 | Cathode beam tube and velocity control electrode | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2408794 | October 8, 1946 | Carrier wave signal system | MATTE ANDREW L | BELL TELEPHONE LABOR INC |
| 2408773 | October 8, 1946 | Position determining system | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2408755 | October 8, 1946 | Latching mechanism | CAHILL HAROLD D | BELL TELEPHONE LABOR INC |
| 2409227 | October 15, 1946 | Ultra high frequency electronic device | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2409224 | October 15, 1946 | Oscillator | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2409222 | October 15, 1946 | Electron discharge device | MORTON JACK A | BELL TELEPHONE LABOR INC |
| 2409183 | October 15, 1946 | Microwave antenna | BECK ALFRED C | BELL TELEPHONE LABOR INC |
| 2409179 | October 15, 1946 | Electron beam relay | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2409644 | October 22, 1946 | Electron discharge apparatus | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2409636 | October 22, 1946 | Welding machine | LITTLE JOHN B | BELL TELEPHONE LABOR INC |
| 2409620 | October 22, 1946 | Oscillation generator | FRITSCHI WALTER W | BELL TELEPHONE LABOR INC |
| 2409617 | October 22, 1946 | Signal distributor | ELLIOTT STANLEY J ; HOVGAARD OLE M ; MALLINA RUDOLPH F ; THOMAS FRANK M | BELL TELEPHONE LABOR INC |
| 2409608 | October 22, 1946 | Ultra high frequency detector | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2410114 | October 29, 1946 | Coupling arrangement for use in wave transmission systems | TYRRELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2410109 | October 29, 1946 | Variable cavity resonator | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2410080 | October 29, 1946 | High-frequency apparatus | KELLOGG WILLIAM M | BELL TELEPHONE LABOR INC |
| 2410076 | October 29, 1946 | Negative impedance circuit | JOHNSON KENNETH S | BELL TELEPHONE LABOR INC |
| 2410073 | October 29, 1946 | Manufacture of polyesters | HOWARD JOHN B | BELL TELEPHONE LABOR INC |
| 2410446 | November 5, 1946 | Pulsing system | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2410434 | November 5, 1946 | Telephone | EDWARDS WILLIAM H ; RICHARDSON MAX S | BELL TELEPHONE LABOR INC |
| 2410432 | November 5, 1946 | Switching mechanism | DRAKE PERCY B | BELL TELEPHONE LABOR INC |
| 2410841 | November 12, 1946 | Tuning arrangement | SAMUEL ARTHUR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2410840 | November 12, 1946 | Electron beam modulator | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2410838 | November 12, 1946 | Coupling system | RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2410833 | November 12, 1946 | Call transmitter | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2410825 | November 12, 1946 | Piezoelectric crystal apparatus | LANE CLARENCE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2410809 | November 12, 1946 | Telegraph signal distortion measuring circuit | CORY SAMUEL I | BELL TELEPHONE LABOR INC |
| 2410806 | November 12, 1946 | Submarine signal detector | BLACK JR ROBERT ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2410805 | November 12, 1946 | Vibration detector | BLACK JR ROBERT | BELL TELEPHONE LABOR INC |
| 2410802 | November 12, 1946 | Concentric conductor transmission line | BAIN JOHN C | BELL TELEPHONE LABOR INC |
| 2411151 | November 19, 1946 | Output coupling for high-frequency oscillators | FISK JAMES B | BELL TELEPHONE LABOR INC |
| 2411551 | November 26, 1946 | Radiating system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2411548 | November 26, 1946 | Electron discharge device | LAICO JOSEPH P | BELL TELEPHONE LABOR INC |
| 2411537 | November 26, 1946 | Submarine signaling system | GOODALE JR WALTER D | BELL TELEPHONE LABOR INC |
| 2411534 | November 26, 1946 | Impedance transformer | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2411531 | November 26, 1946 | Electro-optical control system | ENGELHARDT GEORGE B | BELL TELEPHONE LABOR INC |
| 2411913 | December 3, 1946 | Electron discharge device | PIERCE JOHN R ; SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2411912 | December 3, 1946 | Electron discharge device | VANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2411903 | December 3, 1946 | Transmission characteristic correction | THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2411898 | December 3, 1946 | Pulse generator | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2411872 | December 3, 1946 | Microwave directive antenna | FELDMAN CARL B H ; MUELLER GEORGE E | BELL TELEPHONE LABOR INC |
| 2411865 | December 3, 1946 | Submarine signaling device | BOSTWICK LEE G ; KING JOHN H | BELL TELEPHONE LABOR INC |
| 2412231 | December 10, 1946 | Electronic tube testing apparatus | SHARKEY EDWARD H | BELL TELEPHONE LABOR INC |
| 2412227 | December 10, 1946 | Electrical differentiator | OCH HENRY G ; SWARTZEL JR KARL D | BELL TELEPHONE LABOR INC |
| 2412210 | December 10, 1946 | Cathode-ray sweep circuit | EDSON JAMES O ; EDSON WILLIAM A ; MAGGIO JOHN B | BELL TELEPHONE LABOR INC |
| 2412202 | December 10, 1946 | Directive radio system | EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2412198 | December 10, 1946 | Telegraph switching system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2412196 | December 10, 1946 | Method of and apparatus for producing stranded cables | ASHBAUGH ROBERT P ; HALL ARTHUR G | BELL TELEPHONE LABOR INC |
| 2412642 | December 17, 1946 | Electronic telegraph transmitter distributor | WILKERSON JEFFERSON R | BELL TELEPHONE LABOR INC |
| 2412626 | December 17, 1946 | Ice detecting system for aircraft | MALTHANER WILLIAM A | BELL TELEPHONE LABOR INC |
| 2412625 | December 17, 1946 | Telephone call transmitter | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2412624 | December 17, 1946 | Telephone call transmitter | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2412619 | December 17, 1946 | Apparatus for and method of making contoured electrical resistance cards | KINDERMANN WILFRED J ; WERRING WALTER W | BELL TELEPHONE LABOR INC |
| 2412610 | December 17, 1946 | Audible signaling device | GENT EDGAR W | BELL TELEPHONE LABOR INC |
| 2412609 | December 17, 1946 | High-voltage transformer | GANZ ALBERT G | BELL TELEPHONE LABOR INC |
| 2413033 | December 24, 1946 | Voltage regulated rectifying system | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2413026 | December 24, 1946 | Cathode-ray indicating device | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2413001 | December 24, 1946 | Communication system | SCHNECKLOTH HARRY H | BELL TELEPHONE LABOR INC |
| 2412968 | December 24, 1946 | Relay | COX FRANCIS A | BELL TELEPHONE LABOR INC |
| 2412955 | December 24, 1946 | Telegraph switching system | BACON WALTER M ; YOUNG JR WILLIAM R | BELL TELEPHONE LABOR INC |
| 2413741 | January 7, 1947 | Telegraph switching system | YOUNG JR WILLIAM R | BELL TELEPHONE LABOR INC |
| 2413738 | January 7, 1947 | Electron discharge device | WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2413731 | January 7, 1947 | Manufacture of electron discharge devices | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2413725 | January 7, 1947 | Electron discharge device | MCNALLY JAMES O | BELL TELEPHONE LABOR INC |
| 2413715 | January 7, 1947 | Retractile cord | KEMP ARCHIE R ; WEBBER CARROLL A | BELL TELEPHONE LABOR INC |
| 2413708 | January 7, 1947 | Telephone system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2413689 | January 7, 1947 | Electron discharge device | CLARK JAMES E ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2413688 | January 7, 1947 | Hub-type telegraph repeater concentration group signaling | BONORDEN ALLEN R. ; KOOS PAUL V. ; KRECEK JOSEPH A. ; LARGE WAYNE V. K. ; MARSHALL TOLA A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2414242 | January 14, 1947 | Voltage regulation | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2414123 | January 14, 1947 | Hydrophone selecting system | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2414122 | January 14, 1947 | Voltage regulation | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2414121 | January 14, 1947 | Electron device of the magnetron type | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2414115 | January 14, 1947 | Wave filter | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2414099 | January 14, 1947 | Space discharge device | GLASS MYRON S ; RONCI VICTOR L ; WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2414096 | January 14, 1947 | Scanning system | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2414085 | January 14, 1947 | Oscillator | HARTMAN PAUL L | BELL TELEPHONE LABOR INC |
| 2414084 | January 14, 1947 | Tunable resonator and oscillator | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2414500 | January 21, 1947 | Electron discharge device | WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2414488 | January 21, 1947 | Heat responsive communication signal repeater | SHANCK ROY B | BELL TELEPHONE LABOR INC |
| 2414486 | January 21, 1947 | Sweep control circuits | RIEKE JOHN W | BELL TELEPHONE LABOR INC |
| 2414479 | January 21, 1947 | Impulse generator | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2414477 | January 21, 1947 | Indicating apparatus | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2414476 | January 21, 1947 | Relay | MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2414456 | January 21, 1947 | Electrical testing system | EDSON WILLIAM A | BELL TELEPHONE LABOR INC |
| 2414449 | January 21, 1947 | Depth control device | CHAPIN DARYL M | BELL TELEPHONE LABOR INC |
| 2414443 | January 21, 1947 | Time measuring device | BUSCH ALOYSIUS J ; DEHN JOSEPH W ; WILEY WHITNEY | BELL TELEPHONE LABOR INC |
| 2414827 | January 28, 1947 | Compressional wave radiator and receiver | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2414819 | January 28, 1947 | Computer for ballistic interactions | LAKATOS EMORY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2414805 | January 28, 1947 | Electron discharge device | FAY CLIFFORD E ; WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2414798 | January 28, 1947 | Direction finder | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2414793 | January 28, 1947 | Method of making resistors | BECKER JOSEPH A ; HOWARD CHRISTENSEN | BELL TELEPHONE LABOR INC |
| 2414792 | January 28, 1947 | Bolometric thermistor | BECKER JOSEPH A | BELL TELEPHONE LABOR INC |
| 2415089 | February 4, 1947 | Microwave antennas | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2415420 | February 11, 1947 | Telegraph trunk circuit | DAHLBOM CARL A | BELL TELEPHONE LABOR INC |
| 2415405 | February 11, 1947 | Stabilizing circuit for synchronous motors | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2415855 | February 18, 1947 | Range indicator | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2415850 | February 18, 1947 | Ultra high frequency device | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2415842 | February 18, 1947 | Electrooptical device | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2415841 | February 18, 1947 | Conducting material and device and method of making them | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2415832 | February 18, 1947 | Radiation absorber | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2415823 | February 18, 1947 | Electrical equipment | HOUGHTON EDWARD W | BELL TELEPHONE LABOR INC |
| 2415816 | February 18, 1947 | Ionic discharge device | CHARLES DEPEW ; DEPP WALLACE A ; LUCE ALFRED N ; HAYNES JAMES R | BELL TELEPHONE LABOR INC |
| 2415808 | February 18, 1947 | Detection of large magentic bodies | BUCKLEY OLIVER E | BELL TELEPHONE LABOR INC |
| 2416355 | February 25, 1947 | Impulse generator circuits | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2416351 | February 25, 1947 | Position locating system | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2416346 | February 25, 1947 | Visual reception of radio waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2416342 | February 25, 1947 | Altitude guiding system for aircraft | NEWHOUSE RUSSELL C | BELL TELEPHONE LABOR INC |
| 2416341 | February 25, 1947 | Pure sinusoidal wave generator | HOWARD MORRISON | BELL TELEPHONE LABOR INC |
| 2416338 | February 25, 1947 | Frequency selective system | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416337 | February 25, 1947 | Vibration damping circuit | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416322 | February 25, 1947 | High-frequency coupling circuit | KELLOGG WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416320 | February 25, 1947 | Cathode-ray tube circuit | JEANNE PAUL A | BELL TELEPHONE LABOR INC |
| 2416315 | February 25, 1947 | Electron discharge device | HARTMAN PAUL L | BELL TELEPHONE LABOR INC |
| 2416303 | February 25, 1947 | Secondary emissive shell resonator tube | PARKER CARLYLE V | BELL TELEPHONE LABOR INC |
| 2416302 | February 25, 1947 | Electronic apparatus | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2416298 | February 25, 1947 | Magnetron and control | FISK JAMES B | BELL TELEPHONE LABOR INC |
| 2416297 | February 25, 1947 | Wave transmission network | FINCH TUDOR R. ; MCLEAN DAVID A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416290 | February 25, 1947 | Cathode-ray oscilloscope circuit | DEPP WALLACE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416283 | February 25, 1947 | Ultra high frequency electronic device | BOWEN ARNOLD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416282 | February 25, 1947 | Stabilization of cured polymers | BIGGS BURNARD S | BELL TELEPHONE LABOR INC |
| 2416723 | March 4, 1947 | Telegraph system | WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2416720 | March 4, 1947 | Electrooptical device | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2416718 | March 4, 1947 | Pulse generator | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2416715 | March 4, 1947 | Telephone call transmitter | RICHARD CHARLES D | BELL TELEPHONE LABOR INC |
| 2416714 | March 4, 1947 | Electron discharge device | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2416713 | March 4, 1947 | Call transmitter | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2416711 | March 4, 1947 | Toll trunk selection | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2416710 | March 4, 1947 | Marker circuit for crossbar telephone systems | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2416699 | March 4, 1947 | Station selector system | OSCAR MYERS | RITA SMITH KINKEAD BELL TELEPHONE LABOR INC |
| 2416698 | March 4, 1947 | Radiation and reception of microwaves | KING ARCHIE P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2416692 | March 4, 1947 | Impulse transmitter | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2416688 | March 4, 1947 | Call transmitter | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2416687 | March 4, 1947 | Magnetic focussing device | FRY EUGENE M | BELL TELEPHONE LABOR INC |
| 2416683 | March 4, 1947 | Wave transmission network | FINCH TUDOR R ; MCLEAN DAVID A | BELL TELEPHONE LABOR INC |
| 2416681 | March 4, 1947 | Alternating current relay | DICKTEN JR EMIL | BELL TELEPHONE LABOR INC |
| 2416675 | March 4, 1947 | Horn antenna system | BECK ALFRED C ; FRIIS HARALD T | BELL TELEPHONE LABOR INC |
| 2417099 | March 11, 1947 | Variable resistance standard | WINDELER ALFRED S | BELL TELEPHONE LABOR INC |
| 2417076 | March 11, 1947 | High-speed camera | HICKMAN CLARENCE N | BELL TELEPHONE LABOR INC |
| 2417069 | March 11, 1947 | Wave transmission system | FARKAS FRANCIS S | BELL TELEPHONE LABOR INC |
| 2417450 | March 18, 1947 | Electron discharge device | SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2417446 | March 18, 1947 | Stereotelevision and television range finding | WILLIAM REYNOLDS FREDERICK | BELL TELEPHONE LABOR INC |
| 2417442 | March 18, 1947 | Potentiometer circuit | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2417434 | March 18, 1947 | Mechanical stop device | MEAD EDWARD D ; THOMAS FRANK M | BELL TELEPHONE LABOR INC |
| 2417427 | March 18, 1947 | Counting circuit | MASSONNEAU ROBERT F | BELL TELEPHONE LABOR INC |
| 2417426 | March 18, 1947 | Piezoelectric crystal mounting | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2417425 | March 18, 1947 | Potentiometer circuit | LOVELL CLARENCE A ; MULLER JOHN F | BELL TELEPHONE LABOR INC |
| 2417420 | March 18, 1947 | Terminal block | JR. NICHOLAS KNAPP, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2417831 | March 25, 1947 | Counting relay system | JR. NICHOLAS KNAPP, | RITA SMITH KINKEAD BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2417830 | March 25, 1947 | Compressional wave signaling device | KELLER ARTHUR C | BELL TELEPHONE LABOR INC |
| 2417829 | March 25, 1947 | Compressional wave signaling device | KELLER ARTHUR C | BELL TELEPHONE LABOR INC |
| 2418158 | April 1, 1947 | Gunfire control | EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2418156 | April 1, 1947 | Direction finding system | BOLLMAN JOHN H | BELL TELEPHONE LABOR INC |
| 2418145 | April 1, 1947 | Signaling system | TAYLOR EDMUND R | BELL TELEPHONE LABOR INC |
| 2418136 | April 1, 1947 | Acoustic range finder | MUNSON WILDEN A ; STEINBERG JOHN C | BELL TELEPHONE LABOR INC |
| 2418134 | April 1, 1947 | Synchronizing system | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2418132 | April 1, 1947 | Electromechanical signal translating device | MAXFIELD JOSEPH P | BELL TELEPHONE LABOR INC |
| 2418117 | April 1, 1947 | Electron discharge device | HALE DOUGLAS A S ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2418487 | April 8, 1947 | Cathode ray magnetic focusing device | SPROUL PHILIP T | BELL TELEPHONE LABOR INC |
| 2418484 | April 8, 1947 | Frequency multiplying system | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2418471 | April 8, 1947 | Direct-current generator | HOLDEN WILLIAM H T ; MORTON EDMUND R | BELL TELEPHONE LABOR INC |
| 2418469 | April 8, 1947 | Tuner for multiresonators | HAGSTRUM HOMER D | BELL TELEPHONE LABOR INC |
| 2418467 | April 8, 1947 | Treatment of finely divided magnetic material | ELLIS WILLIAM C ; SOUDEN ALEXANDER G | BELL TELEPHONE LABOR INC |
| 2418465 | April 8, 1947 | Drift meter | DOBA JR STEPHEN | BELL TELEPHONE LABOR INC |
| 2418464 | April 8, 1947 | Web controlled indicator | CORWIN THOMAS L | BELL TELEPHONE LABOR INC |
| 2418461 | April 8, 1947 | Resistor | BECKER JOSEPH A ; HOWARD CHRISTENSEN ; KLEIMACK JOSEPH J | BELL TELEPHONE LABOR INC |
| 2418460 | April 8, 1947 | Resistor | ERNEST BUCHLER | BELL TELEPHONE LABOR INC |
| 2418846 | April 15, 1947 | Submarine detection system | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2418842 | April 15, 1947 | Scanning oscillator | KINSBURG BORIS J | BELL TELEPHONE LABOR INC |
| 2418839 | April 15, 1947 | Wide range tuner for cavity resonators | JULIAN RENNE S | BELL TELEPHONE LABOR INC |
| 2418826 | April 15, 1947 | Multivibrator circuit | ENGSTROM OLLE D | BELL TELEPHONE LABOR INC |
| 2418825 | April 15, 1947 | Relaxation oscillator | ENGSTROM OLLE D | BELL TELEPHONE LABOR INC |
| 2418809 | April 15, 1947 | Wave transmission system | ALBERSHEIM WALTER J | BELL TELEPHONE LABOR INC |
| 2419237 | April 22, 1947 | Translating material and device and method of making them | TREUTING ROBERT G | BELL TELEPHONE LABOR INC |
| 2419227 | April 22, 1947 | Pulse generator | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2419208 | April 22, 1947 | Ultra high frequency wave meter | FRANTZ GLENN R ; POMEROY ALLEN F | BELL TELEPHONE LABOR INC |
| 2419205 | April 22, 1947 | Directive antenna system | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2419203 | April 22, 1947 | Plotting board | EDWARDS PAUL G | BELL TELEPHONE LABOR INC |
| 2419201 | April 22, 1947 | Pulse generator | CRUMP ELMO E ; KERSTA LAWRENCE G | BELL TELEPHONE LABOR INC |
| 2419617 | April 29, 1947 | Optical device for testing crystal sections | WILLARD GERALD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2419583 | April 29, 1947 | Testing and indicating system | MCDAVITT MARCELLUS B | BELL TELEPHONE LABOR INC |
| 2419580 | April 29, 1947 | Testing system for impulse generators | MACPHERSON HUGH D | BELL TELEPHONE LABOR INC |
| 2419572 | April 29, 1947 | Electron discharge device | LAICO JOSEPH P ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2419557 | April 29, 1947 | Branching circuits | FRIIS HARALD T | BELL TELEPHONE LABOR INC |
| 2419556 | April 29, 1947 | Scanning antenna | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2419537 | April 29, 1947 | Resistor | CHRISTENSEN CARL J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2419958 | May 6, 1947 | Communication system | LAMBERTY FREDERICK R | BELL TELEPHONE LABOR INC |
| 2419946 | May 6, 1947 | High-frequency direction finder | EDWARDS CHARLES F ; JANSKY KARL G | BELL TELEPHONE LABOR INC |
| 2420342 | May 13, 1947 | High frequency continuous amplifier | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2420309 | May 13, 1947 | Impulse generator | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2420302 | May 13, 1947 | Impulse generator | SIDNEY DARLINGTON | BELL TELEPHONE LABOR INC |
| 2420671 | May 20, 1947 | Magnetic recorder | LITTLE JOHN B | BELL TELEPHONE LABOR INC |
| 2421045 | May 27, 1947 | Solderless connection | WALSH EDWARD G | BELL TELEPHONE LABOR INC |
| 2421035 | May 27, 1947 | Composition for and method of extinguishing fires | MCLEAN DAVID A | BELL TELEPHONE LABOR INC |
| 2421034 | May 27, 1947 | Telephone system | BURTON MCKIM | BELL TELEPHONE LABOR INC |
| 2421033 | May 27, 1947 | Wave transmission network | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2421028 | May 27, 1947 | Wave reflection aircraft detector using rotating polarization | KING ARCHIE P | BELL TELEPHONE LABOR INC |
| 2421026 | May 27, 1947 | Delay device | HALL JOHN A ; MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2421024 | May 27, 1947 | Linear polymer containing cyclic imide groups | FROSCH CARL J | BELL TELEPHONE LABOR INC |
| 2421021 | May 27, 1947 | Spot-welding machine | ELLWOOD WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2421394 | June 3, 1947 | Distance measuring system | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2421760 | June 10, 1947 | Electrical control circuit | ROCKWOOD JR GEORGE H | BELL TELEPHONE LABOR INC |
| 2421759 | June 10, 1947 | Resistor | PEARSON GERALD L | BELL TELEPHONE LABOR INC |
| 2421750 | June 10, 1947 | Magnetic wire storage unit | GANNETT DANFORTH K | BELL TELEPHONE LABOR INC |
| 2421747 | June 10, 1947 | Object locating system | ENGELHARDT GEORGE B | BELL TELEPHONE LABOR INC |
| 2422212 | June 17, 1947 | Adjustable step-by-step motor | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2422205 | June 17, 1947 | Range indicator | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2422204 | June 17, 1947 | Range indicator | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2422191 | June 17, 1947 | Impedance transformer for wave guides | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2422184 | June 17, 1947 | Directional microwave antenna | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2422182 | June 17, 1947 | Object locating system | BRYANT NEWTON W | BELL TELEPHONE LABOR INC |
| 2422700 | June 24, 1947 | Reciprocal signaling trunk telephone system | NEWELL NORMAN A | BELL TELEPHONE LABOR INC |
| 2422698 | June 24, 1947 | Time measuring system | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2422697 | June 24, 1947 | Viewing system | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2422696 | June 24, 1947 | Timing circuit | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2422695 | June 24, 1947 | Suppression of parasitic oscillations in high-frequency devices | MCRAE JAMES W | BELL TELEPHONE LABOR INC |
| 2422691 | June 24, 1947 | Prismatic radiating navigational system | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2422677 | June 24, 1947 | Intermediate telegraph repeater for long line spans | HEARN RICHARD B ; SUTLIFF CARLETON B | BELL TELEPHONE LABOR INC |
| 2422666 | June 24, 1947 | Polycarbonamides modified by chromic salts | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2422664 | June 24, 1947 | Wobbled radio carrier communication system | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2422659 | June 24, 1947 | Spark gap discharge device | CHARLES DEPEW ; DEPP WALLACE A ; LUCE ALFRED N | BELL TELEPHONE LABOR INC |
| 2422655 | June 24, 1947 | Time measuring system | GEORGE HECHT | BELL TELEPHONE LABOR INC |
| 2422654 | June 24, 1947 | Time measuring system | EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2423130 | July 1, 1947 | Switching device in wave guide transmission system | TYRRELL WARREN A | BELL TELEPHONE LABOR INC |
| 2423125 | July 1, 1947 | Photoelectromotive force cell of the silicon-silicon oxide type and method of making the same | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2423124 | July 1, 1947 | Electro-optical device | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2423119 | July 1, 1947 | Hydrophone selecting system | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2423114 | July 1, 1947 | Voltage regulated rectifier circuit | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2423093 | July 1, 1947 | Ethylene glycol-isopropylene glycol-sebacic acid-aconitic acid polyester | FROSCH CARL J | BELL TELEPHONE LABOR INC |
| 2423078 | July 1, 1947 | Harmonic generator | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2423466 | July 8, 1947 | Time division multiplex | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2423459 | July 8, 1947 | Frequency selective apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2423444 | July 8, 1947 | Electronic discharge device for ultra high frequency energy generation | WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2423443 | July 8, 1947 | High power electronic discharge device for generating ultra high frequency radiations | FAY CLIFFORD E | BELL TELEPHONE LABOR INC |
| 2423437 | July 8, 1947 | Direction finder | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2423829 | July 15, 1947 | Indicating system | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2423823 | July 15, 1947 | Cellulose ester-polyester compositions and methods of preparing them | BAKER WILLIAM O | BELL TELEPHONE LABOR INC |
| 2424246 | July 22, 1947 | Frequency-modulated crystal oscillator | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2424244 | July 22, 1947 | Circuit for locking service observing teletypewriter during supervisory signal reception | MARSHALL TOLA A | BELL TELEPHONE LABOR INC |
| 2424238 | July 22, 1947 | Transmission line with active networks | JOHNSON KENNETH S | BELL TELEPHONE LABOR INC |
| 2424576 | July 29, 1947 | Oscillator | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2424571 | July 29, 1947 | Telegraph alarm system | LANG WILMARTH Y | BELL TELEPHONE LABOR INC |
| 2424564 | July 29, 1947 | Geared speed reducer with means for adjusting backlash | HALBROOK WARWICK W | BELL TELEPHONE LABOR INC |
| 2424561 | July 29, 1947 | System for locating the source of an explosion wave | EDWARDS PAUL G ; ROBERTSON DONALD D | BELL TELEPHONE LABOR INC |
| 2424551 | July 29, 1947 | Controlling mechanism | BROWN HENRY B | BELL TELEPHONE LABOR INC |
| 2424549 | July 29, 1947 | Submarine signal detector or receiver | BLACK JR ROBERT ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2425003 | August 5, 1947 | Analysis and representation of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2425002 | August 5, 1947 | Electrical apparatus | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2424998 | August 5, 1947 | Electrical transmission system | HARRY NYQUIST | BELL TELEPHONE LABOR INC |
| 2424982 | August 5, 1947 | Directional radio antenna lobe switching system | HIGGINS WILLIAM H C ; WARREN CLIFFORD A | BELL TELEPHONE LABOR INC |
| 2424971 | August 5, 1947 | Frequency-shift radio telegraph transmitting system | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2425346 | August 12, 1947 | Automatic dead reckoning device | RIPPERE ROBERT O | BELL TELEPHONE LABOR INC |
| 2425345 | August 12, 1947 | Microwave transmission system | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2425336 | August 12, 1947 | Microwave directive antenna | MUELLER GEORGE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2425748 | August 19, 1947 | Electron discharge device | LLEWELLYN FREDERICK B | BELL TELEPHONE LABOR INC |
| 2425725 | August 19, 1947 | Method of casting and rapid analysis of alloys | BOUTON GEORGE M ; SCHUMACHER EARLE E | BELL TELEPHONE LABOR INC |
| 2426245 | August 26, 1947 | Time and distance measuring system | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2426232 | August 26, 1947 | Distance measuring system | NEWHOUSE RUSSELL C | BELL TELEPHONE LABOR INC |
| 2426216 | August 26, 1947 | Aperiodic pulse timing system | HIGHT STUART C | BELL TELEPHONE LABOR INC |
| 2426189 | August 26, 1947 | Object locating system | LLOYD ESPENSCHIED | BELL TELEPHONE LABOR INC |
| 2426185 | August 26, 1947 | Translation of microwaves | DOHERTY WILLIAM H | BELL TELEPHONE LABOR INC |
| 2426182 | August 26, 1947 | Time division radar ranging system | DE LANGE OWEN E | BELL TELEPHONE LABOR INC |
| 2426177 | August 26, 1947 | Electrical resonator | CARLSON CARL P ; CHESNUT ROY W ; KNOWLTON ALFRED D | BELL TELEPHONE LABOR INC |
| 2426658 | September 2, 1947 | Radar tracking device | WOOLDRIDGE DEAN E | BELL TELEPHONE LABOR INC |
| 2426650 | September 2, 1947 | Method of soldering a terminal to a piezoelectric crystal | SIVIAN LEON J | BELL TELEPHONE LABOR INC |
| 2426649 | September 2, 1947 | Coin collector | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2426633 | September 2, 1947 | Wave transmission network | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2426626 | September 2, 1947 | Electron discharge apparatus | LLEWELLYN FREDERICK B | BELL TELEPHONE LABOR INC |
| 2426622 | September 2, 1947 | Magnetic field detector | LAIRD ARTHUR G ; THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2426606 | September 2, 1947 | Automatic follow-up for motor of self-synchronous type | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2426595 | September 2, 1947 | Switching system | BUSCH ALOYSIUS J | BELL TELEPHONE LABOR INC |
| 2426589 | September 2, 1947 | Control of signal power in a signal transmission circuit | BOLLMAN JOHN H | BELL TELEPHONE LABOR INC |
| 2427019 | September 9, 1947 | Indicator operating mechanism | NORWOOD CHARLES W | BELL TELEPHONE LABOR INC |
| 2427018 | September 9, 1947 | Permanent magnet materials | NESBITT ETHAN A | BELL TELEPHONE LABOR INC |
| 2427014 | September 9, 1947 | Orienting device | MEANS WINTHROP J | BELL TELEPHONE LABOR INC |
| 2427012 | September 9, 1947 | Sectional telephone stall | LUM GEORGE R | BELL TELEPHONE LABOR INC |
| 2427005 | September 9, 1947 | Directive microwave antenna | KING ARCHIE P | BELL TELEPHONE LABOR INC |
| 2427000 | September 9, 1947 | Coin-operated telephone system | HENRY HOVLAND | BELL TELEPHONE LABOR INC |
| 2426996 | September 9, 1947 | Frequency modulation | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2426994 | September 9, 1947 | Sulphur cured unsaturated polyesters | FROSCH CARL J | BELL TELEPHONE LABOR INC |
| 2426981 | September 9, 1947 | Automatic toll ticketing alarm system | BLAKE FOSTER B | BELL TELEPHONE LABOR INC |
| 2427363 | September 16, 1947 | Two-tone radio telegraph transmission bias elimination | MATTE ANDREW L | BELL TELEPHONE LABOR INC |
| 2427348 | September 16, 1947 | Piezoelectric vibrator | BOND WALTER L ; MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2427693 | September 23, 1947 | Coupling system | RYDER ROBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2427666 | September 23, 1947 | Magnetic field strength indicator | FELCH JR EDWIN P ; THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2428058 | September 30, 1947 | Object locating and distance measuring systems of the pulse reflection type | WISE RAYMOND O | BELL TELEPHONE LABOR INC |
| 2428007 | September 30, 1947 | Telephone call-indicating facilities | BOARDMAN EDWARD M | BELL TELEPHONE LABOR INC |
| 2428389 | October 7, 1947 | Data transmission system | SINGER FRED J | BELL TELEPHONE LABOR INC |
| 2428376 | October 7, 1947 | Time controlled register for automatic telephone systems | MATTHIES WILLIAM H | BELL TELEPHONE LABOR INC |
| 2428366 | October 7, 1947 | Pulse multiplex system | GILMAN GEORGE W | BELL TELEPHONE LABOR INC |
| 2428363 | October 7, 1947 | Negative feed-back amplifier | ELMENDORF CHARLES H | BELL TELEPHONE LABOR INC |
| 2428819 | October 14, 1947 | Secondary electron emission type of pulse generator | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2428800 | October 14, 1947 | Telemetric summation system | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2428780 | October 14, 1947 | Ultra high frequency electronic device | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2428779 | October 14, 1947 | Ultra high frequency electronic device | BOWEN ARNOLD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2428770 | October 14, 1947 | Automatic dead-reckoning device | ALBERT WALTER P | BELL TELEPHONE LABOR INC |
| 2428767 | October 14, 1947 | Electric motor control circuits | ALBERT WALTER P ; DAVIS RICHARD C ; GUMLEY ROBERT H ; HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2429236 | October 21, 1947 | Analysis and representation of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2429229 | October 21, 1947 | Analysis and representation of complex waves | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2429222 | October 21, 1947 | Method of making contact wires | EHRHARDT ROBERT A ; HUMPHREY ROBERT G | BELL TELEPHONE LABOR INC |
| 2429216 | October 21, 1947 | Electrical phase indicating apparatus | BOLLMAN JOHN H ; KREER JR JOHN G | BELL TELEPHONE LABOR INC |
| 2429651 | October 28, 1947 | Control system for two-phase induction motors | TARR JAMES E | BELL TELEPHONE LABOR INC |
| 2429639 | October 28, 1947 | Wave filter | MCSKIMIN HERBERT J | BELL TELEPHONE LABOR INC |
| 2429601 | October 28, 1947 | Microwave radar directive antenna | BISKEBORN MERLE C ; FOX ARTHUR G | BELL TELEPHONE LABOR INC |
| 2430038 | November 4, 1947 | Cathode-ray device for improving signal-to-noise ratio in radar systems | WERTZ HUGH S | BELL TELEPHONE LABOR INC |
| 2430028 | November 4, 1947 | Translating device and method of making it | PFANN WILLIAM G ; SCAFF JACK H ; WHITE ADDISON H | BELL TELEPHONE LABOR INC |
| 2429988 | November 4, 1947 | Temperature compensated microphone | BRYANT HERBERT W | BELL TELEPHONE LABOR INC |
| 2430488 | November 11, 1947 | Adjustable compensated standard | WILHELM HENRY T | BELL TELEPHONE LABOR INC |
| 2430471 | November 11, 1947 | Carrier current signaling system | LANG ALBERT G | BELL TELEPHONE LABOR INC |
| 2430468 | November 11, 1947 | Electroplating silver on aluminum and its alloys | JULICH EDWARD M ; MEHMEL WILLIAM A | BELL TELEPHONE LABOR INC |
| 2430464 | November 11, 1947 | Magnetic materials | GOULD HAROLD L B | BELL TELEPHONE LABOR INC |
| 2430457 | November 11, 1947 | Key control sender | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2430451 | November 11, 1947 | Method of installing aerial line wires | CARR JAMES A ; FOX ARTHUR L | BELL TELEPHONE LABOR INC |
| 2430447 | November 11, 1947 | Printing telegraph automatic switching system | BRANSON DAVID E ; KINKEAD RITA S ; KRECEK JOSEPH A ; LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2430445 | November 11, 1947 | Air pressure seal | THORALF AAMODT ; HILSINGER JR HARRY A | BELL TELEPHONE LABOR INC |
| 2431696 | December 2, 1947 | Relay desing calculator | WILLIAM KEISTER | BELL TELEPHONE LABOR INC |
| 2431692 | December 2, 1947 | Alternate route telephone switching mechanism | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2432454 | December 9, 1947 | Manual range gate for stroboscopic indicators | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2432453 | December 9, 1947 | Scale changing system for stroboscopic indicators | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2432123 | December 9, 1947 | Translation of visual symbols | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2432120 | December 9, 1947 | Electrical connector | PAUL NEILL | BELL TELEPHONE LABOR INC |
| 2432117 | December 9, 1947 | Alternating current generator | MORTON EDMUND R | BELL TELEPHONE LABOR INC |
| 2432116 | December 9, 1947 | Crystal detector mounting | MCLEAN DAVID A ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2432097 | December 9, 1947 | Ultra high frequency detector | HEWITT JR WILLIAM H | BELL TELEPHONE LABOR INC |
| 2432093 | December 9, 1947 | Wave transmission network | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2432092 | December 9, 1947 | Relay testing device | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2432084 | December 9, 1947 | Electrooptical control system | BLAIR ROYER R | BELL TELEPHONE LABOR INC |
| 2432083 | December 9, 1947 | Hydrophone | BLACK JR ROBERT ; ROMANOW FRANK F ; SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2432516 | December 16, 1947 | Keyed pulse generator | DOBA JR STEPHEN | BELL TELEPHONE LABOR INC |
| 2432513 | December 16, 1947 | Ionic discharge device | CHARLES DEPEW | BELL TELEPHONE LABOR INC |
| 2432512 | December 16, 1947 | Automatic modulation control circuit | DAVIS KINGSBURY H | BELL TELEPHONE LABOR INC |
| 2432504 | December 16, 1947 | Target azimuth device | BOGHOSIAN WILLIAM H ; OCH HENRY G | BELL TELEPHONE LABOR INC |
| 2433002 | December 23, 1947 | Pulse-type position indicator | NORTON FRANK R ; SCHELL DONALD H | BELL TELEPHONE LABOR INC |
| 2432984 | December 23, 1947 | Electromagnetic wave reflection system | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2433403 | December 30, 1947 | Electron discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2433398 | December 30, 1947 | Indicating keyboard telephone call transmitter | RICHARD CHARLES D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2433387 | December 30, 1947 | Ultra high frequency receiver | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2433385 | December 30, 1947 | Submarine locating system | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2433383 | December 30, 1947 | Crystal microphone | MASON WARREN P ; MCSKIMIN HERBERT J | BELL TELEPHONE LABOR INC |
| 2433382 | December 30, 1947 | Recorder system with electromagnetically attracted electric stylus | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2433366 | December 30, 1947 | Telephone dial finger hole masking means | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2433357 | December 30, 1947 | Vulcanizing polyester synthetic rubbers to metal bases by means of an intermediate layer of a glycerol phthalate composition | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2433340 | December 30, 1947 | Phase correcting arrangement for electronic type selecting systems | BURGESS HARRY A | BELL TELEPHONE LABOR INC |
| 2433337 | December 30, 1947 | Magnetostrictive signal translating device | BOZORTH RICHARD M | BELL TELEPHONE LABOR INC |
| 2433863 | January 6, 1948 | Pulse generation circuit | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2433836 | January 6, 1948 | Telephone call transmitter | BOWNE LANGFORD J | BELL TELEPHONE LABOR INC |
| 2434286 | January 13, 1948 | Method of forming a point at the end of a wire | PFANN WILLIAM G | BELL TELEPHONE LABOR INC |
| 2434285 | January 13, 1948 | Compressional wave translating device | PEEK JR ROBERT LEE | BELL TELEPHONE LABOR INC |
| 2434278 | January 13, 1948 | Submarine detecting device | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2434274 | January 13, 1948 | Artillery computer | EMORY LAKATOS | BELL TELEPHONE LABOR INC |
| 2434273 | January 13, 1948 | Wave translating system | KETCHLEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2434270 | January 13, 1948 | Electric air position indicator | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2434264 | January 13, 1948 | Cathode-ray oscilloscope circuit with timing marks | EDSON JAMES O | BELL TELEPHONE LABOR INC |
| 2434259 | January 13, 1948 | Circuit arrangement utilizing a plurality of electron discharge devices | BURTON EVERETT T | BELL TELEPHONE LABOR INC |
| 2434253 | January 13, 1948 | Directive centimetric antenna | BECK ALFRED C | BELL TELEPHONE LABOR INC |
| 2434681 | January 20, 1948 | Remotely controlled electrical calculator | WILLIAMS SAMUEL B | BELL TELEPHONE LABOR INC |
| 2434669 | January 20, 1948 | Oscillation generator | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2434667 | January 20, 1948 | Ultrasonic prism | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2434666 | January 20, 1948 | Plastic housing | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2434648 | January 20, 1948 | Compressional wave translating device | GOODALE JR WALTER D ; POPE THOMAS J | BELL TELEPHONE LABOR INC |
| 2434646 | January 20, 1948 | Wave guide branching arrangement | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2434959 | January 27, 1948 | Call transmitter for interstate telephone communication | RICHARD CHARLES D | BELL TELEPHONE LABOR INC |
| 2434957 | January 27, 1948 | Acoustic indicator for directional receivers | QUARLES DONALD A | BELL TELEPHONE LABOR INC |
| 2434947 | January 27, 1948 | Regulated rectifier | MESZAROS GEORGE W ; TRUCKSESS DAVID E | BELL TELEPHONE LABOR INC |
| 2434946 | January 27, 1948 | Tone supply test circuit | BURTON MCKIM | BELL TELEPHONE LABOR INC |
| 2434945 | January 27, 1948 | Direction finding instrument | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2434931 | January 27, 1948 | Method and apparatus for ionic discharge coating | JOHNSON JOHN B | BELL TELEPHONE LABOR INC |
| 2434909 | January 27, 1948 | Circuit maker and breaker | CURTIS AUSTEN M | BELL TELEPHONE LABOR INC |
| 2434900 | January 27, 1948 | Sonic translating device | BLACK JR ROBERT ; ROMANOW FRANK F | BELL TELEPHONE LABOR INC |
| 2434898 | January 27, 1948 | Digit registering means responsive to selective frequencies | BASCOM HENRY M. ; HUBBARD GENEVIEVE M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2435262 | February 3, 1948 | Self-modulated oscillator | WURMSER ALPHONS V | BELL TELEPHONE LABOR INC |
| 2435207 | February 3, 1948 | Phase synchronized pulsed trigger circuit | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2435195 | February 3, 1948 | Data smoothing network | BOMBERGER DAVID C ; LOVELL CLARENCE A ; OCH HENRY G ; SWARTZEL KARL D ; WEBER BRUCE T | BELL TELEPHONE LABOR INC |
| 2435613 | February 10, 1948 | Mounting for electronic devices | SPROUL PHILIP T | BELL TELEPHONE LABOR INC |
| 2435609 | February 10, 1948 | Dipole antenna | SCHELKUNOFF SERGEL A | BELL TELEPHONE LABOR INC |
| 2435604 | February 10, 1948 | Propeller | RORDEN HENRY C | BELL TELEPHONE LABOR INC |
| 2435598 | February 10, 1948 | Electric pulse delay circuit | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2435595 | February 10, 1948 | High-power compressional wave radiator | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2435587 | February 10, 1948 | Compressional wave signaling device | HARRY WILLIAM R | BELL TELEPHONE LABOR INC |
| 2435586 | February 10, 1948 | Electron velocity sorting discharge device | HARTMAN PAUL L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2435585 | February 10, 1948 | High-frequency relay employing an electron discharge device | HARTMAN PAUL L | BELL TELEPHONE LABOR INC |
| 2436402 | February 24, 1948 | Method of laying communication lines | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2436398 | February 24, 1948 | Ultra high frequency oscillator | MORTON JACK A | BELL TELEPHONE LABOR INC |
| 2436397 | February 24, 1948 | Ultra high frequency oscillator | MORTON JACK A | BELL TELEPHONE LABOR INC |
| 2436395 | February 24, 1948 | Pulse generator | MANLEY JACK M ; EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2436393 | February 24, 1948 | Cathode-ray tube with discharge to deflecting plates | MAGGIO JOHN B | BELL TELEPHONE LABOR INC |
| 2436384 | February 24, 1948 | Sound recording device | HARVEY FLETCHER ; MULLER JOHN F ; SWARTZEL JR KARL D | BELL TELEPHONE LABOR INC |
| 2436380 | February 24, 1948 | Rapid sweep radiating system | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2436377 | February 24, 1948 | Ultrasonic compressional wave transmission | BRIGGS HOWARD B ; JOHNSON JOHN B ; MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2436376 | February 24, 1948 | System for transmitting intelligence | RALPH BOWN | BELL TELEPHONE LABOR INC |
| 2436830 | March 2, 1948 | Transmission system and method | SHARPLESS WILLIAM M | BELL TELEPHONE LABOR INC |
| 2436828 | March 2, 1948 | Coupling arrangement for use in wave transmission systems | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2436824 | March 2, 1948 | Radio paging for vehicles | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2436809 | March 2, 1948 | Electric combination lock | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2437274 | March 9, 1948 | Electron discharge apparatus | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2437270 | March 9, 1948 | Magnetostrictive compressional wave transmitter or receiver | PEEK JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2437269 | March 9, 1948 | Translating device and method of making it | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2437268 | March 9, 1948 | Intermittently operating automatic frequency control | MILLER STEWART E | BELL TELEPHONE LABOR INC |
| 2437266 | March 9, 1948 | Translating device | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2437698 | March 16, 1948 | Printer and control system therefor | LANG WILMARTH Y | BELL TELEPHONE LABOR INC |
| 2437695 | March 16, 1948 | Three-dimension radio direction finder | JANSKY KARL G | BELL TELEPHONE LABOR INC |
| 2438119 | March 23, 1948 | Wave transmission | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2438112 | March 23, 1948 | Bombsight computer | SIDNEY DARLINGTON | BELL TELEPHONE LABOR INC |
| 2438110 | March 23, 1948 | Electrical translating materials and devices and method of making them | BRATTAIN WALTER H | BELL TELEPHONE LABOR INC |
| 2438521 | March 30, 1948 | Crystal frequency converter | SHARPLESS WILLIAM M | BELL TELEPHONE LABOR INC |
| 2438511 | March 30, 1948 | Copper, chromium, arsenic compound for wood preserving | MCMAHON WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2438492 | March 30, 1948 | Signaling system | BASCOM HENRY M. ; MASSONNEAU ROBERT F. ; JR. BERNARD OSTENDORF, ; REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2438954 | April 6, 1948 | Electronic oscillator of the cavity resonator type | TOWNES CHARLES H | BELL TELEPHONE LABOR INC |
| 2438948 | April 6, 1948 | Modulating system | RIESZ ROBERT R | BELL TELEPHONE LABOR INC |
| 2438940 | April 6, 1948 | Range and azimuth simulating system for radar instruction | PENNOYER DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2438936 | April 6, 1948 | Electromechanical transducer | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2438926 | April 6, 1948 | Magnetostrictive supersonic transducer | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2438925 | April 6, 1948 | Magnetostrictive submarine signal transmitter or receiver | KRANTZ HUBERT K | BELL TELEPHONE LABOR INC |
| 2438916 | April 6, 1948 | Work holding nest | HARALD HAVSTAD | BELL TELEPHONE LABOR INC |
| 2438908 | April 6, 1948 | Pulse code modulation communication system | GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2438898 | April 6, 1948 | Radio object locating system training device | CAMPBELL THADDEUS C | BELL TELEPHONE LABOR INC |
| 2438897 | April 6, 1948 | Method of plating contact surfaces of magnetic reeds | BROWN JOHN T L | BELL TELEPHONE LABOR INC |
| 2438893 | April 6, 1948 | Translating device | BIELING CARL A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2438892 | April 6, 1948 | Electrical translating materials and devices and methods of making them | BECKER JOSEPH A | BELL TELEPHONE LABOR INC |
| 2438891 | April 6, 1948 | Telephone booth | BEARDSLEY HARRY I ; MEEHAN HOWARD W | BELL TELEPHONE LABOR INC AMERICAN TELEPHONE & TELEGRAPH |
| 2438888 | April 6, 1948 | Radio object detector training device | ANDREWS ERNEST G ; ORFEO CESAREO | BELL TELEPHONE LABOR INC |
| 2439398 | April 13, 1948 | Telegraph system provided with channel assurance and transmission regulation | PRAIZNER EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2439389 | April 13, 1948 | Fulse generator | HUSSEY LUTHER W | BELL TELEPHONE LABOR INC |
| 2439381 | April 13, 1948 | Computing bomb sight | DARLINGTON SIDNEY ; TOWNES CHARLES H. ; WOOLDRIDGE DEAN E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2439836 | April 20, 1948 | Method of and apparatus for locating the direction of natural axes of quartz crystalsections | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2440270 | April 27, 1948 | Electrical connector | HECHT RUDOLPH A | BELL TELEPHONE LABOR INC |
| 2440252 | April 27, 1948 | Multivibrator | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2440248 | April 27, 1948 | Object locating apparatus | DAWSON WILFRID L | BELL TELEPHONE LABOR INC |
| 2440239 | April 27, 1948 | Two-way carrier wave telephone system | ALMQUIST MILTON L | BELL TELEPHONE LABOR INC |
| 2440695 | May 4, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2440694 | May 4, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2441153 | May 11, 1948 | Cable laying machine | KENT ROBERT J | BELL TELEPHONE LABOR INC |
| 2441139 | May 11, 1948 | Piezoelectric crystal mounting | FAIR IRVIN E | BELL TELEPHONE LABOR INC |
| 2441808 | May 18, 1948 | Remote control mechanism | FRY EUGENE M | BELL TELEPHONE LABOR INC |
| 2441603 | May 18, 1948 | Electrical translating materials and method of making them | STORKS KEITH H ; TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2441598 | May 18, 1948 | Wave transmission | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2441596 | May 18, 1948 | Mechanism for adjusting the amount of travel of riders on lead screws | REITTER GEORGE E | BELL TELEPHONE LABOR INC |
| 2441590 | May 18, 1948 | Translating device | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2441588 | May 18, 1948 | Magnetic materials | NESBITT ETHAN A | BELL TELEPHONE LABOR INC |
| 2441567 | May 18, 1948 | Variable frequency oscillator | SIDNEY DARLINGTON | BELL TELEPHONE LABOR INC |
| 2441557 | May 18, 1948 | Selective signaling system | BOWNE LANGFORD J | BELL TELEPHONE LABOR INC |
| 2442307 | May 25, 1948 | Insulated electrical conductor | WILLIAM MCMAHON | BELL TELEPHONE LABOR INC |
| 2442301 | May 25, 1948 | Synchronizing mechanism for telegraph systems | LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2442702 | June 1, 1948 | Selective signaling system | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2442662 | June 1, 1948 | High-frequency translating apparatus | PETERSON LISS C | BELL TELEPHONE LABOR INC |
| 2442638 | June 1, 1948 | Thick protective coatings on permanent magnets | CIOFFI PAUL P | BELL TELEPHONE LABOR INC |
| 2442378 | June 1, 1948 | Electron discharge device | RONCI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2442351 | June 1, 1948 | Training device for object locating signaling systems | FRITSCHI WALTER W | BELL TELEPHONE LABOR INC |
| 2442330 | June 1, 1948 | Methods of vulcanizing saturated linear polymers and vulcanized products produced thereby | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2442791 | June 8, 1948 | Acoustic device | WENTE EDWARD C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2442788 | June 8, 1948 | Target course simulating mechanism for object locating training system | TREPTOW FREDERICK W | BELL TELEPHONE LABOR INC |
| 2442773 | June 8, 1948 | Sound suppressor | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2442766 | June 8, 1948 | Circuit controlling switch | GARVIN JOHN S | BELL TELEPHONE LABOR INC |
| 2442762 | June 8, 1948 | Methods of improving the magnetic quality of anisotropic permanent magnets containing iron, nickel, cobalt, and aluminum | ELLIS WILLIAM C ; LAWRENCE FERGUSON | BELL TELEPHONE LABOR INC |
| 2442755 | June 8, 1948 | Piezoelectric crystal growing method | CHRISTENSEN CARL J | BELL TELEPHONE LABOR INC |
| 2442752 | June 8, 1948 | Method of and apparatus for examining quartz | ARMSTRONG ELIZABETH J | BELL TELEPHONE LABOR INC |
| 2443542 | June 15, 1948 | Light-sensitive electric device including silicon | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2443534 | June 15, 1948 | Space discharge voltage regulation circuit | EGLIN JAMES M | BELL TELEPHONE LABOR INC |
| 2443529 | June 15, 1948 | Directional antenna system | AIKENS ANDREW J | BELL TELEPHONE LABOR INC |
| 2443471 | June 15, 1948 | Piezoelectric damping means for mechanical vibrations | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2443643 | June 22, 1948 | Wave modifying device | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2443639 | June 22, 1948 | Remote-control apparatus | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2443638 | June 22, 1948 | Regulated rectifier | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2443636 | June 22, 1948 | Magnetic materials | NESBITT ETHAN A | BELL TELEPHONE LABOR INC |
| 2443631 | June 22, 1948 | Device for simulating radarscope images | MCDERMOTT SCOTT J ; KOSTKOS HENRY J | BELL TELEPHONE LABOR INC |
| 2443624 | June 22, 1948 | Range computer | LOVELL CLARENCE A ; PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2443623 | June 22, 1948 | Data transmitting and indicating system | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2443619 | June 22, 1948 | Pulse generator of the shockexcited type | HOPPER ANDREW L | BELL TELEPHONE LABOR INC |
| 2443613 | June 22, 1948 | Polyethylene isopropylene sebacate adhesive compositions and methods and articles utilizing them | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2443612 | June 22, 1948 | Frequency selective system | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2443604 | June 22, 1948 | Aircraft training apparatus | DEHMEL RICHARD C | BELL TELEPHONE LABOR INC |
| 2443594 | June 22, 1948 | Apparatus for heating dielectric materials | BOETTLER JACOB R ; ROBERT BURNS | BELL TELEPHONE LABOR INC |
| 2444407 | June 29, 1948 | Electrooptical indicating apparatus | SHANK ROBERT J | BELL TELEPHONE LABOR INC |
| 2444349 | June 29, 1948 | Cyrstal oscillator circuits | HARRISON CHARLES W | BELL TELEPHONE LABOR INC |
| 2444338 | June 29, 1948 | Oscilloscope circuit | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2444078 | June 29, 1948 | Trouble alarm system | ALLAN WEAVER | BELL TELEPHONE LABOR INC |
| 2444074 | June 29, 1948 | Portable coin collector for telephone systems | DAMME LOUIS E VAN | BELL TELEPHONE LABOR INC |
| 2444069 | June 29, 1948 | System for receiving sounds in the presence of disturbing noises | SIVIAN LEON J | BELL TELEPHONE LABOR INC |
| 2444067 | June 29, 1948 | Repeating system | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2444063 | June 29, 1948 | Electric circuit equalization | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2444061 | June 29, 1948 | Magnetostrictive device | PEEK JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2444060 | June 29, 1948 | Wave translating device | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2444049 | June 29, 1948 | Pressure compensated submarine sound transmitter or receiver | KING JOHN H | BELL TELEPHONE LABOR INC |
| 2444039 | June 29, 1948 | Signaling system | GODDARD MYRON C | BELL TELEPHONE LABOR INC |
| 2444037 | June 29, 1948 | Mounting and connecting apparatus | FRITSCHI WALTER W | BELL TELEPHONE LABOR INC |
| 2444027 | June 29, 1948 | Directly heated thermocouple | BECKER JOSEPH A ; SHIVE JOHN N ; GRIFFITH THOMAS R | BELL TELEPHONE LABOR INC |
| 2444026 | June 29, 1948 | Method of making selective switch banks | BARTELHELM LELAND A. ; LANE MAURICE W. ; MALLINA RUDOLPH F. | WESTERN ELECTRIC COMPANY, INCORPORATED BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2444448 | July 6, 1948 | Planetary gear unit | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2444435 | July 6, 1948 | Frequency control of magnetron oscillators | FISK JAMES B | BELL TELEPHONE LABOR INC |
| 2445282 | July 13, 1948 | Tuning arrangement for cavity resonators | SLATER JOHN C | BELL TELEPHONE LABOR INC |
| 2445411 | July 20, 1948 | Filamentary electrode mounting for electronic devices | STRATTON WILLIAM D | BELL TELEPHONE LABOR INC |
| 2445409 | July 20, 1948 | Automatic frequency control | SHANK ROBERT J | BELL TELEPHONE LABOR INC |
| 2445406 | July 20, 1948 | Circuit maker and breaker | POLLARD JR CHARLES E | BELL TELEPHONE LABOR INC |
| 2445896 | July 27, 1948 | Dielectric wave guide coupling arrangement for use in two-way signaling systems | TYRRELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2445895 | July 27, 1948 | Coupling arrangement for use in wave transmission systems | TYRRELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2445809 | July 27, 1948 | Timing device for telegraph circuit | SWEZEY BURDETTE S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2446674 | August 10, 1948 | Cathode-ray device mounting | SPROUL PHILIP T | BELL TELEPHONE LABOR INC |
| 2446630 | August 10, 1948 | Range measurement | BRYANT NEWTON W ; CRUMP ELMO E ; DUNGAN MERRILL R ; JOHN STRAND | BELL TELEPHONE LABOR INC |
| 2447032 | August 17, 1948 | Contact maker and breaker | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2447010 | August 17, 1948 | Crossbar switch | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2446996 | August 17, 1948 | Metal objects coated with lead alloys | BOUTON GEORGE M ; PHIPPS GEORGE S ; SCHUMACHER EARLE E | BELL TELEPHONE LABOR INC |
| 2447768 | August 24, 1948 | Microwave antenna | MUELLER GEORGE E | BELL TELEPHONE LABOR INC |
| 2447537 | August 24, 1948 | Coupled cavity resonator | RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2447533 | August 24, 1948 | Automatic toll ticketing system | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2448382 | August 31, 1948 | Silencer | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2448365 | August 31, 1948 | Projector and receiver of supersonic frequencies | GILLESPIE ROLLIN W | BELL TELEPHONE LABOR INC |
| 2448364 | August 31, 1948 | Pulse generator | GANZ ALBERT G ; HASLEY ANDREW D | BELL TELEPHONE LABOR INC |
| 2448623 | September 7, 1948 | Duplex switch with leakage compensation | ROSE CHARLES F P | BELL TELEPHONE LABOR INC |
| 2448613 | September 7, 1948 | Magnetic detector | MERRILL FRANCIS G | BELL TELEPHONE LABOR INC |
| 2448609 | September 7, 1948 | Composition comprising organic peroxide cured glycol-dicarboxylic acid polyester and red oxide of iron | MALM FRANK S | BELL TELEPHONE LABOR INC |
| 2448593 | September 7, 1948 | Flash and blast reducer | HEISING RAYMOND A | BELL TELEPHONE LABOR INC |
| 2448585 | September 7, 1948 | Organic peroxide-curable and organic peroxide-cured synthetic polyester rubbers | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2448584 | September 7, 1948 | Cured polyester synthetic rubbers formed from disecondary glycols | FROSCH CARL J | BELL TELEPHONE LABOR INC |
| 2448581 | September 7, 1948 | Testing circuits for piezoelectric crystals | FAIR IRVIN E | BELL TELEPHONE LABOR INC |
| 2448573 | September 7, 1948 | Cathode structure for electron discharge devices | BLAZIER CHARLES R ; HALE DOUGLAS A S | BELL TELEPHONE LABOR INC |
| 2448572 | September 7, 1948 | Composition comprising an acyl peroxide cured polyester and an alkaline carbonate | BIGGS BURNARD S | BELL TELEPHONE LABOR INC |
| 2449467 | September 14, 1948 | Communication system employing pulse code modulation | GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2449072 | September 14, 1948 | Wattmeter circuit | HOUGHTON EDWARD W | BELL TELEPHONE LABOR INC |
| 2449057 | September 14, 1948 | Electrical testing device | CLAYDEN FRANCIS W | BELL TELEPHONE LABOR INC |
| 2449848 | September 21, 1948 | Pulse-actuated circuit | HEFELE JOHN R | BELL TELEPHONE LABOR INC |
| 2450011 | September 28, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2450010 | September 28, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2450516 | October 5, 1948 | Telemetric data transmission system | KINKEAD RITA SMITH ; PHELPS WALTER A. ; SMITH EDWARD M. ; SINGER FRED J. ; MELHUISH LAWRENCE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2450499 | October 5, 1948 | Circuit maker and breaker | BROWN JOHN T L | BELL TELEPHONE LABOR INC |
| 2450434 | October 5, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2451416 | October 12, 1948 | Intermittent drive device | THOMAS FRANK M | BELL TELEPHONE LABOR INC |
| 2451413 | October 12, 1948 | Coupling device for concentric conductor lines | ROBINSON ALBERT L | BELL TELEPHONE LABOR INC |
| 2451044 | October 12, 1948 | Communication system employing pulse code modulation | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2450997 | October 12, 1948 | Signaling system | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2450974 | October 12, 1948 | Method of making multiple cables for terminal banks | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2451632 | October 19, 1948 | Control voltage means in pulse receiver | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2451609 | October 19, 1948 | Arresting hook device for grounded aircraft pilot trainers | BUCHANAN RUSSELL B | BELL TELEPHONE LABOR INC |
| 2451572 | October 19, 1948 | Radiant energy measuring apparatus | MOORE HILBERT R | BELL TELEPHONE LABOR INC |
| 2451556 | October 19, 1948 | Electrode structure for gaseous discharge devices | HOLDAWAY VIVIAN L | BELL TELEPHONE LABOR INC |
| 2451489 | October 19, 1948 | Progressive selecting circuit | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2451484 | October 19, 1948 | Cathode-ray signal utilizing means | GOULD KING E ; PIERRE MERTZ | BELL TELEPHONE LABOR INC |
| 2451480 | October 19, 1948 | Subharmonic generator | EDSON JAMES O ; TERRY DONALD M | BELL TELEPHONE LABOR INC |
| 2451465 | October 19, 1948 | Transversal filter | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2452157 | October 26, 1948 | Electron discharge apparatus | SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2452114 | October 26, 1948 | Balanced wave filter | FARKAS FRANCIS S | BELL TELEPHONE LABOR INC |
| 2452079 | October 26, 1948 | Relay | STACY LELAND J | BELL TELEPHONE LABOR INC |
| 2452052 | October 26, 1948 | Selectively responsive device | HIBBARD FRANK H | BELL TELEPHONE LABOR INC |
| 2452051 | October 26, 1948 | Relay system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2452683 | November 2, 1948 | Sweep circuit | RIEKE JOHN W | BELL TELEPHONE LABOR INC |
| 2452664 | November 2, 1948 | Interpolating potential divider and computer | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2452655 | November 2, 1948 | Cathode-ray oscilloscope circuit | GEORGE HECHT ; MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2452652 | November 2, 1948 | Glass sealing method and machine | HANSEN ROLF K | BELL TELEPHONE LABOR INC |
| 2452568 | November 2, 1948 | Switching device | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2453461 | November 9, 1948 | Code modulation communication system | SCHELLENG JOHN C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2453454 | November 9, 1948 | Coder for code modulation transmission | NORWINE ANDREW C | BELL TELEPHONE LABOR INC |
| 2453435 | November 9, 1948 | Piezoelectric crystal apparatus | HARALD HAVSTAD | BELL TELEPHONE LABOR INC |
| 2453313 | November 9, 1948 | Method of manufacturing communication cables | GORDON CHESTER S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2453263 | November 9, 1948 | Voltage regulation | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2453243 | November 9, 1948 | Frequency modulating and harmonic producer apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2453192 | November 9, 1948 | Moisture impervious vent | BRYANT HERBERT W | BELL TELEPHONE LABOR INC |
| 2454089 | November 16, 1948 | Regenerative repeater | REA WILTON T ; WILKERSON JEFFERSON R | BELL TELEPHONE LABOR INC |
| 2454045 | November 16, 1948 | Amplifier | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2453760 | November 16, 1948 | Cavity resonator | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2453759 | November 16, 1948 | Tapered union for concentric conductor lines | ROBINSON ALBERT L | BELL TELEPHONE LABOR INC |
| 2453749 | November 16, 1948 | Coil-winding machine | HILSINGER JR HARRY A | BELL TELEPHONE LABOR INC |
| 2453743 | November 16, 1948 | Signaling system and training device for target tracking | ORFEO CESARCO | BELL TELEPHONE LABOR INC |
| 2453716 | November 16, 1948 | High-frequency tank circuits | LLEWELLYN FREDERICK B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2454328 | November 23, 1948 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2454314 | November 23, 1948 | Vacuum cleaner | GENT EDGAR W | BELL TELEPHONE LABOR INC |
| 2454301 | November 23, 1948 | Telegraph system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2455269 | November 30, 1948 | Velocity variation apparatus | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2455247 | November 30, 1948 | Electric motor control apparatus | GRIEST RAYMOND H | BELL TELEPHONE LABOR INC |
| 2455094 | November 30, 1948 | Velocity variation transmitterreceiver | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2455052 | November 30, 1948 | Signal receiving system | FISHER HAROLD J | BELL TELEPHONE LABOR INC |
| 2455035 | November 30, 1948 | Averaging mechanism | BODE HENDRIK W | BELL TELEPHONE LABOR INC |
| 2455846 | December 7, 1948 | Coaxial leadin for electron discharge devices | WEST JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2455816 | December 7, 1948 | Telephone subscriber's set illumination | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2455732 | December 7, 1948 | Double balanced modulator | CARTER HERMAN T | BELL TELEPHONE LABOR INC |
| 2455724 | December 7, 1948 | Control of selectors over communication channels by storage controlled transmitters | BACON WALTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2455683 | December 7, 1948 | Clip for coiling wire | KING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2455472 | December 7, 1948 | Method and system for electronically generating complex signals | CURL HERBERT C ; KLEINKAUF JAMES D | BELL TELEPHONE LABOR INC |
| 2455387 | December 7, 1948 | Thermostat-controlled heater circuit | SIPPEL THEODORE E | BELL TELEPHONE LABOR INC |
| 2455386 | December 7, 1948 | Ringer circuit | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2455381 | December 7, 1948 | Cathode assembly for electron discharge devices | MORTON JACK A ; SPECK LAWRENCE J | BELL TELEPHONE LABOR INC |
| 2456284 | December 14, 1948 | Flume for air laid wire | JORDAN HOMER G | BELL TELEPHONE LABOR INC |
| 2456973 | December 21, 1948 | Trace blanking circuit for cathoderay oscilloscopes | MAO YU-YUEH A | BELL TELEPHONE LABOR INC |
| 2456927 | December 21, 1948 | Direct-current voltage multiplier | CURTIS AUSTEN M | BELL TELEPHONE LABOR INC |
| 2457601 | December 28, 1948 | Wave translating apparatus | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2457589 | December 28, 1948 | Wiper assembly for step-by-step switches | MILLER VICTOR F | BELL TELEPHONE LABOR INC |
| 2457588 | December 28, 1948 | Split ring cord guide for step-by-step switches | MILLER VICTOR F | BELL TELEPHONE LABOR INC |
| 2457562 | December 28, 1948 | Antenna drive mechanism | KARLEEN EDWARD H | BELL TELEPHONE LABOR INC |
| 2457559 | December 28, 1948 | Repeater for pulse communication system | HUBER GEORGE H | BELL TELEPHONE LABOR INC |
| 2457555 | December 28, 1948 | Apparatus for orienting quartz crystals by x-rays | HAWORTH FRANCIS E | BELL TELEPHONE LABOR INC |
| 2457527 | December 28, 1948 | Acoustic device | EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2457524 | December 28, 1948 | Wave guide repeater | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2457515 | December 28, 1948 | Insulating coating compositions and method of making | ACKER JOHN T | BELL TELEPHONE LABOR INC |
| 2457287 | December 28, 1948 | Air-speed indicating system | TOWNES CHARLES H | BELL TELEPHONE LABOR INC |
| 2457218 | December 28, 1948 | Method of manufacturing sealed contact devices | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2458181 | January 4, 1949 | Speed reduction mechanism | LITTLE JOHN B ; MUNSON WILDEN A | BELL TELEPHONE LABOR INC |
| 2458175 | January 4, 1949 | Directive antenna control system | ROBERT KOLDING AARON | BELL TELEPHONE LABOR INC |
| 2458030 | January 4, 1949 | Selective signaling apparatus and system | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2458000 | January 4, 1949 | Feedback amplifier or oscillator | INGRAM SYDNEY B | BELL TELEPHONE LABOR INC |
| 2457986 | January 4, 1949 | Synchronization of time division multiplex communication system | EDSON JAMES O | BELL TELEPHONE LABOR INC |
| 2457892 | January 4, 1949 | Pulse testing equipment | HIBBARD FRANK H | BELL TELEPHONE LABOR INC |
| 2457878 | January 4, 1949 | Solenoid operated switch | DUBUAR ARTHUR S | BELL TELEPHONE LABOR INC |
| 2459117 | January 11, 1949 | Object locating system | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2459046 | January 11, 1949 | Negative feedback amplifier | RIEKE JOHN W | BELL TELEPHONE LABOR INC |
| 2459030 | January 11, 1949 | Tunable magnetron | JONAS HERBERT C ; LAICO JOSEPH P ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2459019 | January 11, 1949 | Piezoelectric crystal filter | D HEEDENE ALBERT R | BELL TELEPHONE LABOR INC |
| 2459018 | January 11, 1949 | Method of coating electrical devices | DE MONTE ROBERT W ; HAINES ATWELL B | BELL TELEPHONE LABOR INC |
| 2458885 | January 11, 1949 | Directive antenna system | WARREN CLIFFORD A | BELL TELEPHONE LABOR INC |
| 2458665 | January 11, 1949 | Method of and apparatus for measuring pressure | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2458654 | January 11, 1949 | System for and method of utilizing microwave radiation from the sun | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2458652 | January 11, 1949 | Electron discharge apparatus | SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2458615 | January 11, 1949 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2458601 | January 11, 1949 | Method of and apparatus for measuring pressure | JOHNSON JOHN B | BELL TELEPHONE LABOR INC |
| 2458599 | January 11, 1949 | Circuit for sampling balanced signals | HUSSEY LUTHER W | BELL TELEPHONE LABOR INC |
| 2458586 | January 11, 1949 | Self-synchronous system | GIROUD HENRY A | BELL TELEPHONE LABOR INC |
| 2458579 | January 11, 1949 | Microwave modulator | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2458566 | January 11, 1949 | Distortion reduction in channel switching | COX LESLIE R ; HUBER GEORGE H | BELL TELEPHONE LABOR INC |
| 2458556 | January 11, 1949 | Coupled cavity resonator and wave guide apparatus | BOWEN ARNOLD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2458553 | January 11, 1949 | Electronic computing device | BOGHOSIAN WILLIAM H ; OCH HENRY G | BELL TELEPHONE LABOR INC |
| 2458552 | January 11, 1949 | Method of making electrical contacting elements | BLATTNER DAVID G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2458550 | January 11, 1949 | Trainer for enabling the giving of radio instruction | BAULCH ERNEST L | BELL TELEPHONE LABOR INC |
| 2459306 | January 18, 1949 | Contact protection for mercury wetted switch contacts | BURTON EVERETT T | BELL TELEPHONE LABOR INC |
| 2460109 | January 25, 1949 | Electrical translating device | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2460090 | January 25, 1949 | Frequency selective apparatus | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2460075 | January 25, 1949 | Transmission control system | DICKIESON ALTON C | BELL TELEPHONE LABOR INC |
| 2460064 | January 25, 1949 | Motor control circuit | CURTIS AUSTEN M | BELL TELEPHONE LABOR INC |
| 2459904 | January 25, 1949 | Telegraph signal code translator | WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2459869 | January 25, 1949 | Crystal growing apparatus | CHRISTENSEN CARL J. ; WALKER ALBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2459867 | January 25, 1949 | Gunnery training device | BUCHANAN RUSSELL B | BELL TELEPHONE LABOR INC |
| 2460755 | February 1, 1949 | Receiver protective circuit for pulse transmission systems | KLYCE JR BATTLE H | BELL TELEPHONE LABOR INC |
| 2460743 | February 1, 1949 | Aircraft personnel trainer | GERMANTON CHARLES E | BELL TELEPHONE LABOR INC |
| 2460704 | February 1, 1949 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2460703 | February 1, 1949 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2460702 | February 1, 1949 | Registration system | PAUL MALLERY | BELL TELEPHONE LABOR INC |
| 2460556 | February 1, 1949 | Coil arrangement for electromagnetic devices | WAGAR HAROLD N | BELL TELEPHONE LABOR INC |
| 2460520 | February 1, 1949 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2460484 | February 1, 1949 | Electrode unit assembly | BEST FRED H ; PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2461241 | February 8, 1949 | Telephone alarm system | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2461202 | February 8, 1949 | Magnetic testing device | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2461200 | February 8, 1949 | Automatic line voltage compensator and impulse repeater for signaling systems | DUBUAR ARTHUR S | BELL TELEPHONE LABOR INC |
| 2461005 | February 8, 1949 | Ultra high frequency transmission | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2461878 | February 15, 1949 | Metallizing composition | CHRISTENSEN CARL J ; RIGTERINK MERLE D ; TREPTOW ARNOLD W | BELL TELEPHONE LABOR INC |
| 2461832 | February 15, 1949 | Phase shifting apparatus | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2462245 | February 22, 1949 | Space discharge device | WOOTEN LELAND A | BELL TELEPHONE LABOR INC |
| 2462218 | February 22, 1949 | Electrical translator and method of making it | OLSEN KARL M | BELL TELEPHONE LABOR INC |
| 2462162 | February 22, 1949 | Metallic oxide resistor | HOWARD CHRISTENSEN ; KLEIMACK JOSEPH J | BELL TELEPHONE LABOR INC |
| 2463248 | March 1, 1949 | Secret telegraph system | CORY SAMUEL I | BELL TELEPHONE LABOR INC |
| 2463236 | March 1, 1949 | Secret telegraph system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2463180 | March 1, 1949 | Method and apparatus for making mosaic targets for electron beams | JOHNSON JOHN B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2463756 | March 8, 1949 | Manufacture of electrical apparatus | LAWSON EGERTON | BELL TELEPHONE LABOR INC |
| 2463642 | March 8, 1949 | Wave analysis | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2463617 | March 8, 1949 | Ultra high frequency harmonic generator | HARTLEY RALPH V. L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2463616 | March 8, 1949 | Test circuit for piezoelectric crystals | HARRISON CHARLES W | BELL TELEPHONE LABOR INC |
| 2463609 | March 8, 1949 | Switching device | GARVIN JOHN S ; HERRINGTON HAROLD W | BELL TELEPHONE LABOR INC |
| 2463535 | March 8, 1949 | Electron discharge device | GEORGE HECHT | BELL TELEPHONE LABOR INC |
| 2464607 | March 15, 1949 | Pulse code modulation communication system | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2464594 | March 15, 1949 | Phase and amplitude control circuit for wide band amplifiers | MAHONEY JR JOHN J | BELL TELEPHONE LABOR INC |
| 2464566 | March 15, 1949 | Position control system | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2464349 | March 15, 1949 | Electronic high-voltage generator discharge device | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2465639 | March 29, 1949 | Cavity resonator | EDSON WILLIAM A | BELL TELEPHONE LABOR INC |
| 2465540 | March 29, 1949 | Electrical connector | KORN FRANKLIN A | BELL TELEPHONE LABOR INC |
| 2465539 | March 29, 1949 | Call failure signaling arrangement | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2465531 | March 29, 1949 | Transmission control system | GREEN ESTILL I | BELL TELEPHONE LABOR INC |
| 2465507 | March 29, 1949 | Intercommunicating teletypewriter system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2465480 | March 29, 1949 | Antikickoff circuit for telegraph repeaters | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2465468 | March 29, 1949 | Testing system and method | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2466439 | April 5, 1949 | Resonant wave guide switching | KANNENBERG WALTER F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466390 | April 5, 1949 | Secret telegraph system | DEHN JOSEPH W | BELL TELEPHONE LABOR INC |
| 2466112 | April 5, 1949 | Compressional wave translating device | KELLER ARTHUR C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466080 | April 5, 1949 | Selective control apparatus | COOK JACKSON H. ; SCHELL DONALD H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466062 | April 5, 1949 | Electron discharge device | STRATTON WILLIAM D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467347 | April 12, 1949 | Regulated current supply apparatus | TRUCKSESS DAVID E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467329 | April 12, 1949 | Rectifying apparatus | MESZAROS GEORGE W | BELL TELEPHONE LABOR INC |
| 2467325 | April 12, 1949 | Electrooptical light valve of ammonium dihydrogen phosphate crystal | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467319 | April 12, 1949 | Unitary range, azimuth, and elevation alignment indicator for radar systems | KING KENNETH L. ; WINTRINGHAM WILLIAM T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467310 | April 12, 1949 | Antikickoff device for telegraph repeaters | HEARN RICHARD B. ; SUTLIFF CARLETON B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467299 | April 12, 1949 | High-frequency transmission system | ESPENSCHIED LLOYD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2467292 | April 12, 1949 | Support for conductors of signal transmission lines | BURROWS CHARLES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466922 | April 12, 1949 | Electron discharge device | WAX NELSON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466904 | April 12, 1949 | Stabilized oscillator | LUNDSTROM ALEXIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466891 | April 12, 1949 | Universal telegraph repeater | HEARN RICHARD B. ; SUTLIFF CARLETON B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466880 | April 12, 1949 | Speech analysis and synthesis system | DUDLEY HOMER W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466879 | April 12, 1949 | Slant range computing circuit | JR. STEPHEN DOBA, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2466765 | April 12, 1949 | Magnetron inductive tuner employing variably spaced parallel plate transmission line | HARTMAN PAUL L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2468474 | April 26, 1949 | Sound regulator for telephone ringers | WHIDDEN WILLIAM E | BELL TELEPHONE LABOR INC |
| 2468462 | April 26, 1949 | Telegraph transmitter control mechanism | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2468454 | April 26, 1949 | Acoustic wave filter with resistive termination, including side branch chamber | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2468429 | April 26, 1949 | Selective message register system | DEHN JOSEPH W ; WILEY WHITNEY | BELL TELEPHONE LABOR INC |
| 2468305 | April 26, 1949 | Signaling system | NEWELL NORMAN A | BELL TELEPHONE LABOR INC |
| 2468302 | April 26, 1949 | Quadrature phase shifting circuit | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2468301 | April 26, 1949 | Effective contouring of piezoelectric crystal elements | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2468300 | April 26, 1949 | Automatic telephone system | MALONEY MARTIN E ; SHIPLEY FRANK F | BELL TELEPHONE LABOR INC |
| 2468299 | April 26, 1949 | Supervisory signaling in telephone or like switching systems | MALONEY MARTIN E | BELL TELEPHONE LABOR INC |
| 2468224 | April 26, 1949 | Magnetic reproducer using endless tape records | MUNSON WILDEN A | BELL TELEPHONE LABOR INC |
| 2468193 | April 26, 1949 | Torque limiting device | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2468179 | April 26, 1949 | Tracking device | SIDNEY DARLINGTON ; LOVELL CLARENCE A | BELL TELEPHONE LABOR INC |
| 2468154 | April 26, 1949 | Permeability determination | ASHWORTH JOSEPH A ; CHEGWIDDEN RAYMOND A | BELL TELEPHONE LABOR INC |
| 2469280 | May 3, 1949 | Voltage regulator tube circuit | SCOTT WALTER F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469176 | May 3, 1949 | Current supply apparatus | POTTER JAMES A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2468968 | May 3, 1949 | Magnetic field strength indicator | JR. EDWIN P. FELCH, ; SLONCZEWSKI THADDEUS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2468850 | May 3, 1949 | Voltage regulation | TRUCKSESS DAVID E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2468837 | May 3, 1949 | Magnetostrictive transducer | JR. ROBERT L. PECK, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469977 | May 10, 1949 | Pulser circuit | MORRISON HOWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469964 | May 10, 1949 | Electron discharge apparatus | HARTMAN PAUL L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469843 | May 10, 1949 | Electron transit time tube | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469837 | May 10, 1949 | Wave translating system | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469829 | May 10, 1949 | Method and system for measuring frequency | KINZER JOHN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469569 | May 10, 1949 | Point contact negative resistance devices | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2469539 | May 10, 1949 | Radio control system | ABBOTT HENRY H. ; BASCOM HENRY M. ; FAIRLAMB PRESTON B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2470468 | May 17, 1949 | Ground trainer for aircraft | BUCHANAN RUSSELL B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471315 | May 24, 1949 | Aircraft trainer for aerial gunners | DEHMEL RICHARD C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471284 | May 24, 1949 | Directive antenna system | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471278 | May 24, 1949 | Gun sight control | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471268 | May 24, 1949 | Index pulse generating circuit | GAINES WILBUR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471264 | May 24, 1949 | Radio object location system | DOHERTY WILLIAM H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471263 | May 24, 1949 | Ionic discharge device | DEPEW CHARLES | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471262 | May 24, 1949 | Means for multiplying voltages | COUSINS VAN M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2470838 | May 24, 1949 | Power supply system | STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2470826 | May 24, 1949 | Fixed capacitor | MCMAHON WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2470825 | May 24, 1949 | Electrical contact protection network | MATHES ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471976 | May 31, 1949 | Voltage regulation | POTTER JAMES A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471970 | May 31, 1949 | Wiring device | MILOCHE HERMAN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471967 | May 31, 1949 | Piezoelectric type switching relay | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471966 | May 31, 1949 | Ground trainer for aircraft personnel | LUKACS JOSEPH J. ; RIPPERE ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2471712 | May 31, 1949 | Intercommunication teletypewriter system | BACON WALTER M. ; WALKER CHARLES R. | BELL TELEPHONE LABORATORIES, INCORPORATED AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
| 2471516 | May 31, 1949 | Plan position indicating system and method | BRYANT NEWTON W | BELL TELEPHONE LABOR INC |
| 2471419 | May 31, 1949 | Tunable resonant cavity with adjustable walls | EDSON WILLIAM A ; KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2472753 | June 7, 1949 | Piezoelectric crystal apparatus | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2472715 | June 7, 1949 | Piezoelectric crystal apparatus | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472709 | June 7, 1949 | Control of electrical contacting elements | KNAPP HARRY M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472691 | June 7, 1949 | Piezoelectric crystal apparatus | BOND WALTER L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472611 | June 7, 1949 | Motor control circuit | JR. BERNARD OSTENDORF, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472566 | June 7, 1949 | Motor control circuit | BROWN JOHN T. L. ; JR. CHARLES E. POLLARD, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472527 | June 7, 1949 | Drop wire clamp | GORDON CHESTER S. ; LALLY WILLIAM J. ; ZIESCHANG GUSTAV H. | BELL TELEPHONE LABORATORIES, INCORPORATED AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
| 2473456 | June 14, 1949 | Passivation of ferrous metals | THURBER ELMER A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2473438 | June 14, 1949 | Call transmitter | MALLINA RUDOLPH F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2473437 | June 14, 1949 | Mechanical perforator | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2473414 | June 14, 1949 | Voltage multiplying circuit | DARLINGTON SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2472782 | June 14, 1949 | Wave modifying reflector | ALBERSHEIM WALTER J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2473691 | June 21, 1949 | Stabilization of cathode beam tubes | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2474688 | June 28, 1949 | Transmission controlling device for wave guides | PEASE REGINALD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2474485 | June 28, 1949 | Magnetron oscillator | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2474473 | June 28, 1949 | Ballast lamp | ELLIS WILLIAM C. ; JR. LOUIS H. LA FORGE, ; WHITE ADDISON H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475198 | July 5, 1949 | Tunable lecher circuit | REINSCHMIDT CHARLES G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475188 | July 5, 1949 | Sweep amplifier | KRAUTH EDWIN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475002 | July 5, 1949 | Stabilization of cured polymers | BIGGS BURNARD S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2474898 | July 5, 1949 | Electromagnetic resonator of the magnetron type | HEISING RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476034 | July 12, 1949 | Conformal grating resonant cavity | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476032 | July 12, 1949 | Doppler effect speed and drift indicating system | FELDMAN CARL B. H. ; MCRAE JAMES W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475810 | July 12, 1949 | Preparation of silicon material | THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2475787 | July 12, 1949 | Termination for coaxial cables | KELSAY LE ROY W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475778 | July 12, 1949 | Electrical cavity resonator | CAMPBELL THADDEUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2475707 | July 12, 1949 | Object locator system | JEANNE PAUL A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476946 | July 19, 1949 | Phase shifter circuit | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476875 | July 19, 1949 | High efficiency amplitude modulation | KETCHLEDGE RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476864 | July 19, 1949 | Telegraph repeater | HEARN RICHARD B. ; KRECEK JOSEPH A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476844 | July 19, 1949 | Motor control circuit | DAVIS RICHARD C. ; GUMLEY ROBERT H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476842 | July 19, 1949 | Contact protective network | CURTIS AUSTEN M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476765 | July 19, 1949 | Linear frequency modulation system | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476747 | July 19, 1949 | Electrical computing system | LOVELL CLARENCE A | BELL TELEPHONE LABOR INC |
| 2476445 | July 19, 1949 | Analysis and display for complex waves | LACY LESTER Y | BELL TELEPHONE LABOR INC |
| 2476441 | July 19, 1949 | Bearing sweep amplifier circuit | DOHERTY WILLIAM H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2476323 | July 19, 1949 | Multielectrode modulator | RACK ALOIS J | BELL TELEPHONE LABOR INC |
| 2476269 | July 19, 1949 | Mechanical differentiator for smoothing target tracking data | BLACKMAN RALPH B | BELL TELEPHONE LABOR INC |
| 2477337 | July 26, 1949 | Magnetic detector | KAHL WILLIAM E | BELL TELEPHONE LABOR INC |
| 2477246 | July 26, 1949 | Submarine signaling device | GILLESPIE ROLLIN W | BELL TELEPHONE LABOR INC |
| 2477232 | July 26, 1949 | Cavity resonator | BRANSON DAVID E | BELL TELEPHONE LABOR INC |
| 2477076 | July 26, 1949 | Frequency control system | MILLER OHMER R | BELL TELEPHONE LABOR INC |
| 2477047 | July 26, 1949 | Frequency divider circuit | DAVIS KINGSBURY H | BELL TELEPHONE LABOR INC |
| 2478781 | August 9, 1949 | Circuit maker and breaker | REINSCHMIDT CHARLES G | BELL TELEPHONE LABOR INC |
| 2478778 | August 9, 1949 | Variable delay means | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2478759 | August 9, 1949 | Radio position indicator | HEISING RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2478740 | August 9, 1949 | Electronic motor control apparatus | BOLLMAN JOHN H | BELL TELEPHONE LABOR INC |
| 2478670 | August 9, 1949 | Automatic register for echo pulses from a plurality of objects | SKELLETT ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2479465 | August 16, 1949 | Control device | BOECK GUNTHER A ; HOWARD EDSON J | BELL TELEPHONE LABOR INC |
| 2479073 | August 16, 1949 | Testing system for selector switches | LUTHER WALTER R | BELL TELEPHONE LABOR INC |
| 2480038 | August 23, 1949 | Compensation of distortion in guided waves | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2479909 | August 23, 1949 | Computing circuit for determining bomb release course | DARLINGTON SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2479897 | August 23, 1949 | Radar antenna driving mechanism | BAXTER HOWARD A ; BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2480594 | August 30, 1949 | Adjustable cam device | OTTO MOHR | BELL TELEPHONE LABOR INC |
| 2480340 | August 30, 1949 | Variable inductance device | ROSE CHARLES F P | BELL TELEPHONE LABOR INC |
| 2481474 | September 6, 1949 | Porcelain enamel | GILBERT GOODMAN | BELL TELEPHONE LABOR INC |
| 2481458 | September 6, 1949 | Cathode-ray device | WERTZ HUGH S | BELL TELEPHONE LABOR INC |
| 2481430 | September 6, 1949 | Pressure seal for rotary joints | KOLLER FREDRICK W | BELL TELEPHONE LABOR INC |
| 2481247 | September 6, 1949 | Visual representation of complex waves | LIONEL SCHOTT | BELL TELEPHONE LABOR INC |
| 2481221 | September 6, 1949 | Signaling system | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2481003 | September 6, 1949 | Protective arrangement for switch contacts | CURTIS AUSTEN M | BELL TELEPHONE LABOR INC |
| 2480995 | September 6, 1949 | Electrical potentiometer device | ROY ARMITAGE LE | BELL TELEPHONE LABOR INC |
| 2480878 | September 6, 1949 | Telegraph signal distortion measuring apparatus and system | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2481932 | September 13, 1949 | Supervisory signaling in telephone systems | KILLE LINDLEY A ; ROBB THEODORE D | BELL TELEPHONE LABOR INC |
| 2481919 | September 13, 1949 | Multiway regenerative repeater system | FITCH KARL E | BELL TELEPHONE LABOR INC |
| 2481915 | September 13, 1949 | Power line carrier wave communication system | EDSON ROBERT C ; EMLING JOHN W | BELL TELEPHONE LABOR INC |
| 2481667 | September 13, 1949 | Electrooptical system | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2481644 | September 13, 1949 | Transformer responding to variations in amplitude of input waves | CALLAWAY WILLIAM B | BELL TELEPHONE LABOR INC |
| 2482373 | September 20, 1949 | Stabilized system | ROBERT RUDIN | BELL TELEPHONE LABOR INC |
| 2482364 | September 20, 1949 | Device for heat-treating magnetic materials | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2482214 | September 20, 1949 | Connecting plug | ROGIE JAMES M | BELL TELEPHONE LABOR INC |
| 2482173 | September 20, 1949 | Test circuit | HAGSTRUM HOMER D | BELL TELEPHONE LABOR INC |
| 2482162 | September 20, 1949 | Directive microwave antenna | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2482158 | September 20, 1949 | Directive antenna system | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2483733 | October 4, 1949 | Switch bank coating machine | MILLER VICTOR F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2483732 | October 4, 1949 | Signaling circuit | MATHES ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2483723 | October 4, 1949 | Electromagnetic circuit maker and breaker | BURTON EVERETT T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2483594 | October 4, 1949 | Pulse operated system | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2483575 | October 4, 1949 | Directional microwave antenna | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484643 | October 11, 1949 | High-frequency electronic device | PETERSON LISS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484636 | October 11, 1949 | Modulation system | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484635 | October 11, 1949 | Piezoelectric crystal apparatus | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484626 | October 11, 1949 | Electromechanical transducer | KELLER ARTHUR C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484623 | October 11, 1949 | Thickness measurement | HEISING RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484618 | October 11, 1949 | Wave receiving system | FISHER HAROLD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484612 | October 11, 1949 | Directory number calling line identifier | DEHN JOSEPH W ; HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2484611 | October 11, 1949 | Frequency divider | DAVIS KINGSBURY H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484596 | October 11, 1949 | Lamp socket for series lighting circuits | WALTZ MAYNARD C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484252 | October 11, 1949 | Asymmetrical conductor | SMITH GEORGE O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484251 | October 11, 1949 | Wear adjusting shim for a relay | SMITH HARRY B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484234 | October 11, 1949 | Telephone system arranged for voice frequency signaling | MCKIM BURTON ; JR. JOSIAH L. MERRILL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484226 | October 11, 1949 | Indicating circuit | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484224 | October 11, 1949 | Electromagnetic relay mechanism | HERSEY RALPH E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484211 | October 11, 1949 | Power line carrier frequency telephone system | EMLING JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2484066 | October 11, 1949 | Regenerative telegraph repeater, one or more code combinations per start-stop cycle | BACON WALTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2485457 | October 18, 1949 | Antenna system | POTTER RALPH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2485069 | October 18, 1949 | Translating material of silicon base | SCAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2484829 | October 18, 1949 | Crystal growing apparatus | HOLDEN ALAN N | BELL TELEPHONE LABOR INC |
| 2486302 | October 25, 1949 | Telegraph storage system | LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2486265 | October 25, 1949 | Variable frequency oscillator | DENNIS FRED R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486208 | October 25, 1949 | Electronic musical instrument | RIENSTRA ALBERT R | BELL TELEPHONE LABOR INC |
| 2486204 | October 25, 1949 | Tape splicing machine | PRAIZNER EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486187 | October 25, 1949 | Piezoelectric crystal apparatus | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2485931 | October 25, 1949 | Magnetic field strength indicator | SLONCZEWSKI THADDEUS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2485883 | October 25, 1949 | Air position indicator | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2485881 | October 25, 1949 | Test prod | HELIN EERO E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2487016 | November 1, 1949 | Telephone substation apparatus | BESCHERER EDWIN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486809 | November 1, 1949 | Biquinary system calculator | STIBITZ GEORGE R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486784 | November 1, 1949 | Telemetric system | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486776 | November 1, 1949 | Self-biased electric translating device | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486712 | November 1, 1949 | Relay distributing circuit | HARRISON HENRY C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486699 | November 1, 1949 | Channel and transmitter control for telegraph systems | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2486491 | November 1, 1949 | Gate distributor circuits | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486488 | November 1, 1949 | Ground trainer for simulating the engines and propeller vibrations of multiengined airplanes | LUKACS JOSEPH J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2486482 | November 1, 1949 | Sealed container for electrode assemblies | BRIE LAURENTS J. LA | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2487759 | November 8, 1949 | Blind navigational method and system | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2487181 | November 8, 1949 | Regenerative telegraph repeater utilizing an impulse generator | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488448 | November 15, 1949 | Computing circuit for determining bomb release points | TOWNES CHARLES H. ; WOOLDRIDGE DEAN E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488389 | November 15, 1949 | Detection system | JR. EDWIN P. FELCH, ; MERRILL FRANCIS G. ; SLONCZEWSKI THADDEUS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488373 | November 15, 1949 | Motor speed control apparatus | BURTON EVERETT T | BELL TELEPHONE LABOR INC |
| 2488371 | November 15, 1949 | Navigational apparatus | BOLLMAN JOHN H. ; BROOKS FRED A. ; JR. JOHN G. KREER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488350 | November 15, 1949 | Rectifying apparatus | TRUCKSESS DAVID E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488341 | November 15, 1949 | Detection system | SLONCZEWSKI THADDEUS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488331 | November 15, 1949 | Filament mounting assembly | RONCI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488325 | November 15, 1949 | Electrical winding | JR. ROBERT L. PEEK, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488297 | November 15, 1949 | Electrical wave producing circuit | LACY LESTER Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488291 | November 15, 1949 | Electromechanical position control apparatus | HARTLEY RALPH V. L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2487781 | November 15, 1949 | Signaling system | BASCOM HENRY M. ; MASSONNEAU ROBERT F. ; JR. BERNARD OSTENDORF, ; REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489025 | November 22, 1949 | Pneumatic ticket receiving valve | GENT EDGAR W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489017 | November 22, 1949 | Control circuit for slow-releasing relays | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488948 | November 22, 1949 | Repeatered transmission system, including multifilament amplifiers | VEAZIE EDMUND A | BELL TELEPHONE LABOR INC |
| 2488607 | November 22, 1949 | Automatic message accounting system | SEIBEL CHARLES F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2488577 | November 22, 1949 | Arrangement for limiting noise interference in carrier telephone systems | BONNER ARTHUR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489926 | November 29, 1949 | Pulsing circuit | JR. FRANK M. PEARSALL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489916 | November 29, 1949 | Teletypewriter switching system | LUCEK CHARLES W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489907 | November 29, 1949 | Artillery computer | LAKATOS EMORY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489883 | November 29, 1949 | Pulse code modulation receiver employing cathode-ray tube demodulators | HECHT GEORGE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489865 | November 29, 1949 | Directional microwave antenna | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489409 | November 29, 1949 | Resistor having distortion protected connecting means | GREEN CHARLES B. ; RULISON RAYMOND L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2489396 | November 29, 1949 | Dictation recording system | BOWNE LANGFORD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491377 | December 13, 1949 | Connector control system | JR. AMOS E. JOEL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491370 | December 13, 1949 | Explosion-proof vent plug for storage batteries | FORSTER FRANK T | BELL TELEPHONE LABOR INC |
| 2491364 | December 13, 1949 | Universal coupling | EARL WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491284 | December 13, 1949 | Electrode for electron discharge devices and method of making the same | SEARS RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491276 | December 13, 1949 | Radio transmission control | MITCHELL DOREN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491272 | December 13, 1949 | Protective device for relay contacts | KNAPP HARRY M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491247 | December 13, 1949 | Turntable drive | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2492062 | December 20, 1949 | Device for portrayal of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2491668 | December 20, 1949 | Ground trainer for training aircraft crew members | KOECHLING CHARLES D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491662 | December 20, 1949 | Attenuator | HOUGHTON EDWARD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2491644 | December 20, 1949 | Attenuator | CARLSON CARL P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2492371 | December 27, 1949 | Apparatus for measuring air velocity | SIVIAN LEON J | BELL TELEPHONE LABOR INC |
| 2492356 | December 27, 1949 | Radio object locating training device with error indication | ORFEO CESAREO | BELL TELEPHONE LABOR INC |
| 2492351 | December 27, 1949 | Smoothing network | BODE HENDRIK W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2493183 | January 3, 1950 | Artillery director | BOGHOSIAN WILLIAM H. ; DARLINGTON SIDNEY ; OCH HENRY G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2493064 | January 3, 1950 | Motor-control circuit | GERMANTON CHARLES E | BELL TELEPHONE LABOR INC |
| 2493060 | January 3, 1950 | Electrical control device | DASCHKE ARTHUR W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2492951 | January 3, 1950 | Antenna system | BAKER GEORGE H. ; CRUMP ELMO E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2494499 | January 10, 1950 | Bridge network | WILHELM HENRY T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2494475 | January 10, 1950 | Fringe office arrangement | HERSEY RALPH E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2493842 | January 10, 1950 | Wave guide with phase compensating paired bends | TYRRELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2493819 | January 10, 1950 | Stabilized feed-back condenser microphone | HARRY WILLIAM R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2493800 | January 10, 1950 | Location of faults in electrical transmission systems | BISKEBORN MERIE C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2494722 | January 17, 1950 | Resistive termination | ROSEN SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2494721 | January 17, 1950 | Electron velocity variation device with noise reducing resonator | ROBERTSON SLOAN D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2494693 | January 17, 1950 | Electron discharge device | EKSTRAND STURE O. ; MAGGS CHARLES ; RONCI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2496186 | January 31, 1950 | Voice-controlled two-way telephone set | WALTER JAMES N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2495683 | January 31, 1950 | Communication system | BACON WALTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2495682 | January 31, 1950 | Communication system | BACON WALTER M. ; WATSON EDWARD F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2496970 | February 7, 1950 | Cathode-ray tube circuit | WERTZ HUGH S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2496639 | February 7, 1950 | Aid for the blind | RICHARDT JR JOHN W ; SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2497901 | February 21, 1950 | Magnetostrictive transmitter | MOTT EDWARD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2499001 | February 28, 1950 | Frequency modulation system for locating impedance irregularities | GREEN ESTILL I. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2499000 | February 28, 1950 | Frequency modulation system for locating impedance irregularities | QUARLES DONALD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2499759 | March 7, 1950 | Location of faults in electrical transmission systems | KEMPF RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2499606 | March 7, 1950 | Preset type telephone dialer with pulse generating transformers | PARKINSON DAVID B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2500646 | March 14, 1950 | Visual representation of complex waves | RIESZ ROBERT R | BELL TELEPHONE LABOR INC |
| 2500638 | March 14, 1950 | Aid for the blind | KRAUTH EDWIN A | BELL TELEPHONE LABOR INC |
| 2500431 | March 14, 1950 | Visual representation of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2500430 | March 14, 1950 | Cavity resonator oscillator device | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2500417 | March 14, 1950 | Electrical resonator | KINZER JOHN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2502307 | March 28, 1950 | Electrical connector | BASCOM HENRY M | BELL TELEPHONE LABOR INC |
| 2502304 | March 28, 1950 | Method of forming expanded plastic materials | BAKER WILLIAM O | BELL TELEPHONE LABOR INC |
| 2503000 | April 4, 1950 | Carrier telegraphy | SHANCK ROY B | BELL TELEPHONE LABOR INC |
| 2502999 | April 4, 1950 | Telephone coin collector with pile-up leveling means | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2502942 | April 4, 1950 | Regenerative relay repeater | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2502915 | April 4, 1950 | Control knob device | ATKINS GEORGE E ; MEAD EDWARD D | BELL TELEPHONE LABOR INC |
| 2502842 | April 4, 1950 | Electromagnetic relay | HICKMAN CLARENCE N | BELL TELEPHONE LABOR INC |
| 2502837 | April 4, 1950 | Position indicating system | ENTZ FERDINAND S ; PULLIS GEORGE A ; STIBITZ GEORGE R | BELL TELEPHONE LABOR INC US DIRECTOR OF THE OFFICE OF S |
| 2502822 | April 4, 1950 | Electron tube coupling circuit | BURTON EVERETT T | BELL TELEPHONE LABOR INC |
| 2502820 | April 4, 1950 | Private branch exchange system with means for preventing interference from unbalanceconditions | BOWNE LANGFORD J | BELL TELEPHONE LABOR INC |
| 2502531 | April 4, 1950 | Electron discharge device | MORTON JACK A ; RYDER ROBERT M | BELL TELEPHONE LABOR INC |
| 2502530 | April 4, 1950 | Electron discharge device for ultra high frequencies | MORTON JACK A ; VANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2502488 | April 4, 1950 | Semiconductor amplifier | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2502479 | April 4, 1950 | Semiconductor amplifier | PEARSON GERALD L ; WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2503837 | April 11, 1950 | Electrical translating device | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2503831 | April 11, 1950 | Fine wire delay line | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2503571 | April 11, 1950 | Apparatus for coating surfaces by thermal vaporization at atmospheric pressure | WEHE HERMAN G | BELL TELEPHONE LABOR INC |
| 2503564 | April 11, 1950 | Soldering composition | REEVE HOWARD T | BELL TELEPHONE LABOR INC |
| 2503559 | April 11, 1950 | Electrical terminal | MILOCHE HERMAN A | BELL TELEPHONE LABOR INC |
| 2503558 | April 11, 1950 | Switch cleaning tool | MESCH ORWAR S A | BELL TELEPHONE LABOR INC |
| 2503429 | April 11, 1950 | Metallic casing for electrical units | ZIEGLER ARTHUR W | BELL TELEPHONE LABOR INC |
| 2503414 | April 11, 1950 | Telegraph switching system | ROBERTS LELAND C | BELL TELEPHONE LABOR INC |
| 2503405 | April 11, 1950 | Control and indicator apparatus for rectifiers | OLMSTEAD NOEL C | BELL TELEPHONE LABOR INC |
| 2503402 | April 11, 1950 | Selective mechanism | MCDAVITT MARCELLUS B ; DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2503400 | April 11, 1950 | Testing tank arranged for suppression of reflected compressional waves | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2503391 | April 11, 1950 | Automatic volume control | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2503371 | April 11, 1950 | Selective signaling system | BACHELET ALBERT E | BELL TELEPHONE LABOR INC |
| 2504778 | April 18, 1950 | Magnetic compensation system | YOUNG CLARENCE H | BELL TELEPHONE LABOR INC |
| 2504692 | April 18, 1950 | Repeatered electrical transmission system, including auxiliary cable system | JACOBS OLIVER B | BELL TELEPHONE LABOR INC |
| 2504621 | April 18, 1950 | Enciphering and deciphering device for secret telegraph systems | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2504613 | April 18, 1950 | Motor control system | ALBERT WALTER P | BELL TELEPHONE LABOR INC |
| 2504354 | April 18, 1950 | Phase controlled multivibrator | ROSCHKE ERWIN M | BELL TELEPHONE LABOR INC |
| 2504340 | April 18, 1950 | Speed regulator for electric motors | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2504329 | April 18, 1950 | Oscillation damping device | HEISING RAYMOND A | BELL TELEPHONE LABOR INC |
| 2504307 | April 18, 1950 | Hand telephone | FRANCIS DALTON JOHN | BELL TELEPHONE LABOR INC |
| 2504303 | April 18, 1950 | Metal to glass sealing method | CLARK JAMES E ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2505566 | April 25, 1950 | Signaling system | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2505550 | April 25, 1950 | Automatic volume control circuits | KETCHIEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2505370 | April 25, 1950 | Piezoelectric crystal unit | SYKES ROGER A | BELL TELEPHONE LABOR INC |
| 2505364 | April 25, 1950 | Compression wave transmission | MCSKIMIN HERBERT J | BELL TELEPHONE LABOR INC |
| 2505066 | April 25, 1950 | Method of making assemblies of resistor bodies | RULISON RAYMOND L | BELL TELEPHONE LABOR INC |
| 2505061 | April 25, 1950 | Phase inverter circuit | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2505040 | April 25, 1950 | Regenerative relay repeater | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2504963 | April 25, 1950 | Cold cathode gas tube trigger pulse circuit | CRAFT CLIFFORD J | BELL TELEPHONE LABOR INC |
| 2506437 | May 2, 1950 | Combined voice and facsimile system | WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2506429 | May 2, 1950 | Selective signaling system | MELICK JOHN M | BELL TELEPHONE LABOR INC |
| 2506420 | May 2, 1950 | Cobalt base alloys and resistance elements formed therefrom | GREINER EARL S | BELL TELEPHONE LABOR INC |
| 2506418 | May 2, 1950 | Junction for coupling a plurality of wave guide sections | GILMER PETER E ; SAMEK CHARLES T | BELL TELEPHONE LABOR INC |
| 2506414 | May 2, 1950 | Sealed wire contact device | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2507116 | May 9, 1950 | Power line carrier telephone system | MOORE HILBERT R | BELL TELEPHONE LABOR INC |
| 2506955 | May 9, 1950 | Tunable high-frequency circuits | FRACASSI RENATO D | BELL TELEPHONE LABOR INC |
| 2506949 | May 9, 1950 | Ground trainer for training aircraft crew members | BURELBACH FREDERICK M ; LUKACS JOSEPH J | BELL TELEPHONE LABOR INC |
| 2506624 | May 9, 1950 | Electroacoustic transducer | WIRSCHING ROBERT E | BELL TELEPHONE LABOR INC |
| 2506609 | May 9, 1950 | Ring armature telephone receiver | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2508053 | May 16, 1950 | Automatic monitor for comparing designations received and transmitted by control circuits in dial switching systems | DEHN JOSEPH W ; WILLIFORD OSCAR H | BELL TELEPHONE LABOR INC |
| 2508052 | May 16, 1950 | Trouble recorder control circuit | WILLIFORD OSCAR H | BELL TELEPHONE LABOR INC |
| 2508029 | May 16, 1950 | Relay circuit | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2508026 | May 16, 1950 | Calling-line identification system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2507746 | May 16, 1950 | Pulse-reflection distance measuring system | WRIGHT HENRY O | BELL TELEPHONE LABOR INC |
| 2507712 | May 16, 1950 | Coupling between balanced and unbalanced circuits | HARRISON ARTHUR E | BELL TELEPHONE LABOR INC |
| 2507709 | May 16, 1950 | Grid electrode and method of manufacture | WARREN GRONROS | BELL TELEPHONE LABOR INC |
| 2507706 | May 16, 1950 | Electronic discharge device | GEE RICHARD C ; WARREN GRONROS | BELL TELEPHONE LABOR INC |
| 2507696 | May 16, 1950 | Glow discharge device | DEPP WALLACE A | BELL TELEPHONE LABOR INC |
| 2509068 | May 23, 1950 | Polarimetric method and means of determining the degree of alignment of fibers | WILLIAM MCMAHON | BELL TELEPHONE LABOR INC |
| 2509065 | May 23, 1950 | Electron discharge apparatus | KIRKPATRICK WILLIAM E | BELL TELEPHONE LABOR INC |
| 2509064 | May 23, 1950 | Reduction of noise in pulse position modulation systems | HUBER GEORGE H | BELL TELEPHONE LABOR INC |
| 2509058 | May 23, 1950 | Friction device for operating knobs in adjustable apparatus | HAURY PAUL T | BELL TELEPHONE LABOR INC |
| 2509053 | May 23, 1950 | Space current device employing mutually bombarded electrodes | CALBICK CHESTER J | BELL TELEPHONE LABOR INC |
| 2509050 | May 23, 1950 | Timed trunk release | ANDERSON LYNN T ; GODDARD MYRON C | BELL TELEPHONE LABOR INC |
| 2508622 | May 23, 1950 | Pulse code modulation communication system | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2508551 | May 23, 1950 | Shockproof terminal seal | SYKES ROGER A | BELL TELEPHONE LABOR INC |
| 2508547 | May 23, 1950 | Calibration system | THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2508529 | May 23, 1950 | Gaseous electronic discharge device | MENZEL PAUL R ; RONCI VICTOR L ; YANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2508526 | May 23, 1950 | Telephone signal transmitter | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2508511 | May 23, 1950 | Resistor coated with ceramic composition | GILBERT GOODMAN | BELL TELEPHONE LABOR INC |
| 2508508 | May 23, 1950 | Mercury contact for electrical switches | GARVIN JOHN S | BELL TELEPHONE LABOR INC |
| 2508488 | May 23, 1950 | Sealing method for wiped joints | BOUTON GEORGE M ; PHIPPS GEORGE S | BELL TELEPHONE LABOR INC |
| 2509947 | May 30, 1950 | Multiunit electronic discharge device | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2509931 | May 30, 1950 | Rotary multiple contactor | KRANTZ HUBERT K | BELL TELEPHONE LABOR INC |
| 2509929 | May 30, 1950 | Method of making cable joints | KLEINFELDER WALTER C ; SHARPE DUNCAN T | BELL TELEPHONE LABOR INC |
| 2509913 | May 30, 1950 | Electric power source | LLOYD ESPENSCHIED | BELL TELEPHONE LABOR INC |
| 2509909 | May 30, 1950 | Conductive device | DAVIS GUSTOFF W | BELL TELEPHONE LABOR INC |
| 2509906 | May 30, 1950 | Glass-to-metal seal | CLARK JAMES E. ; RONCI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2509889 | May 30, 1950 | Differential altimeter | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2509478 | May 30, 1950 | Piezoelectric crystal apparatus | FRANK CAROSELLI | BELL TELEPHONE LABOR INC |
| 2510299 | June 6, 1950 | Pulse-echo testing system | SCHRAMM CHARLES W | BELL TELEPHONE LABOR INC |
| 2510288 | June 6, 1950 | Microwave band reflection filter | LEWIS WILLARD D ; TILLOTSON LE ROY C | BELL TELEPHONE LABOR INC |
| 2510283 | June 6, 1950 | Variable equalizer | GRAHAM ROBERT S | BELL TELEPHONE LABOR INC |
| 2510274 | June 6, 1950 | Apparatus for spot coating crystal blanks | BARRY JOSEPH F ; RUGGLES DAVID M | BELL TELEPHONE LABOR INC |
| 2510273 | June 6, 1950 | Power line carrier frequency telephone system | BARSTOW JOHN M ; LANG ALBERT G | BELL TELEPHONE LABOR INC |
| 2510271 | June 6, 1950 | Power line carrier telephone system | ALMQUIST MILTON L | BELL TELEPHONE LABOR INC |
| 2510061 | June 6, 1950 | Code translator and printer control circuit | BRANSON DAVID E ; LOCKE GEORGE A ; MARSHALL TOLA A | BELL TELEPHONE LABOR INC |
| 2511645 | June 13, 1950 | Broad band attenuator | MAHONEY JR JOHN J | BELL TELEPHONE LABOR INC |
| 2511622 | June 13, 1950 | Telephone substation apparatus | CURRAN STANLEY T ; THAYER WALTER J | BELL TELEPHONE LABOR INC |
| 2511617 | June 13, 1950 | Power line carrier frequency telephone system | BARSTOW JOHN M | BELL TELEPHONE LABOROATORIES I |
| 2511616 | June 13, 1950 | Power line carrier frequency telephone system | BARSTOW JOHN M ; LANG ALBERT G | BELL TELEPHONE LABOR INC |
| 2511615 | June 13, 1950 | Power line carrier frequency telephone system | BARSTOW JOHN M ; LANG ALBERT G | BELL TELEPHONE LABOR INC |
| 2511207 | June 13, 1950 | Dynamoelectric machine | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2511197 | June 13, 1950 | Averaging device | SIDNEY DARLINGTON ; TOWNES CHARLES H ; WOOLDRIDGE DEAN E | BELL TELEPHONE LABOR INC |
| 2511195 | June 13, 1950 | Recording pen check mechanism | BUHRENDORF FREDERICK G ; FRANKLIN DERMOND | BELL TELEPHONE LABOR INC |
| 2511122 | June 13, 1950 | Amplifier compensated for cathode emission change | NEWBY NEAL D | BELL TELEPHONE LABOR INC |
| 2511121 | June 13, 1950 | Method of recording information on stationary magnetic material | MURPHY PAUL B | BELL TELEPHONE LABOR INC |
| 2511120 | June 13, 1950 | Balanced electronic translating system | MUELLER GEORGE E | BELL TELEPHONE LABOR INC |
| 2511114 | June 13, 1950 | Polarized electromagnet | LAVERY GRANT G | BELL TELEPHONE LABOR INC |
| 2510975 | June 13, 1950 | Transmission control in two-way signaling systems | HAWKS VERL J | BELL TELEPHONE LABOR INC |
| 2514080 | July 4, 1950 | Method of obtaining high velocity with crystals | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2513371 | July 4, 1950 | Thermally tunable cavity resonator electron discharge device | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2513359 | July 4, 1950 | Electron discharge device of the cavity resonator type | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2513296 | July 4, 1950 | Electron discharge device, including tunable cavity resonator | EKSTRAND STURE O ; WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2513277 | July 4, 1950 | Electron discharge device, including a tunable cavity resonator | BEST FRED H | BELL TELEPHONE LABOR INC |
| 2515061 | July 11, 1950 | Radio-frequency filter | SMITH PHILLIP H | BELL TELEPHONE LABOR INC |
| 2515057 | July 11, 1950 | Electronic tracing system | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2515039 | July 11, 1950 | Transverse wave transmission in liquids | HARTLEY RALPH V. L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2515031 | July 11, 1950 | Microphone having controllable directional response pattern | BLACK JR ROBERT | BELL TELEPHONE LABOR INC |
| 2514679 | July 11, 1950 | Wave transmission | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2514678 | July 11, 1950 | Wave guide system | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2514677 | July 11, 1950 | Radio distance measuring system with alarm device | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2514671 | July 11, 1950 | Decoder for pulse code modulation | RACK ALOIS J | BELL TELEPHONE LABOR INC |
| 2514667 | July 11, 1950 | Magnetic alloys | NESBITT ETHAN A | BELL TELEPHONE LABOR INC |
| 2514617 | July 11, 1950 | Directive scanning antenna system | ALBERSHEIM WALTER J | BELL TELEPHONE LABOR INC |
| 2516069 | July 18, 1950 | Observer-controlled television system | NEWHOUSE RUSSELL C ; REYNOLDS FREDERICK W | BELL TELEPHONE LABORATOIES INC |
| 2516058 | July 18, 1950 | Apparatus for plating of metals | LANDER JAMES J | BELL TELEPHONE LABOR INC |
| 2516047 | July 18, 1950 | Stable curable polyorganosiloxane compositions | DE COSTE JOHN B | BELL TELEPHONE LABOR INC |
| 2515361 | July 18, 1950 | Electric discharge device | VANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2515352 | July 18, 1950 | Hinged brace | MASEK FRED E | BELL TELEPHONE LABOR INC |
| 2515339 | July 18, 1950 | Three coordinate indicating system for radar apparatus | DOHERTY WILLIAM H | BELL TELEPHONE LABOR INC |
| 2515337 | July 18, 1950 | Metal to glass seal and method of producing same | CLARK JAMES E ; RONCI VICTOR L ; WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2515332 | July 18, 1950 | Object locating system | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2515331 | July 18, 1950 | Holding fixture for crystals | BOND WALTER L | BELL TELEPHONE LABOR INC |
| 2516803 | July 25, 1950 | Ground trainer for aircraft flight personnel | RIPPERE ROBERT O | BELL TELEPHONE LABOR INC |
| 2516799 | July 25, 1950 | Current supply apparatus | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2516797 | July 25, 1950 | Amplifier circuit having reactive load | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2516790 | July 25, 1950 | Slow-acting quick-release relay | MORTON EDMUND R ; STOLLER HUGH M | BELL TELEPHONE LABOR INC |
| 2516780 | July 25, 1950 | Trainer for enabling the giving of radio instruction | ARTHUR LUDWIG | BELL TELEPHONE LABOR INC |
| 2516776 | July 25, 1950 | Electroacoustic system and means | JOHNSON KENNETH S | BELL TELEPHONE LABOR INC |
| 2516772 | July 25, 1950 | Cross-wire switch | HICKMAN CLARENCE N | BELL TELEPHONE LABOR INC |
| 2516765 | July 25, 1950 | Tracking control | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2516763 | July 25, 1950 | Power line carrier frequency telephone system | EDSON ROBERT C ; LESTER HOCHGRAF | BELL TELEPHONE LABOR INC |
| 2516756 | July 25, 1950 | Meter protection circuit | COWLEY GREER W ; THOMAS DONALD E | BELL TELEPHONE LABOR INC |
| 2516752 | July 25, 1950 | Coding tube for pulse code modulation signals | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2516587 | July 25, 1950 | Correction of errors in pulse code communication | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2516211 | July 25, 1950 | Filter connecting telephone transmitter to power line during calls | LESTER HOCHGRAF | BELL TELEPHONE LABOR INC |
| 2517380 | August 1, 1950 | Method of analysis and control of the composition of lead alloys | BOUTON GEORGE M ; PHIPPS GEORGE S | BELL TELEPHONE LABOR INC |
| 2517022 | August 1, 1950 | Cross-wire switch | PEEK JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2518394 | August 8, 1950 | Generator drive control system | SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2518385 | August 8, 1950 | Latching mechanism for telephone sets | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2518383 | August 8, 1950 | Multiresonant cavity resonator | SCHELKUNOFF SERGEL A | BELL TELEPHONE LABOR INC |
| 2518374 | August 8, 1950 | Magnetotelephone arrangement for direct current | RHOADS CHARLES S | BELL TELEPHONE LABOR INC |
| 2518348 | August 8, 1950 | Apparatus for the determination of viscosity of liquids | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2518331 | August 8, 1950 | Piezoelectric crystal mounting | WALTER KALIN | BELL TELEPHONE LABOR INC |
| 2518327 | August 8, 1950 | Method and means for detecting leaks in lead sheath telephone cables | JAHN ALFRED P | BELL TELEPHONE LABOR INC |
| 2518319 | August 8, 1950 | Electric discharge device | HOLDAWAY VIYIAN L | BELL TELEPHONE LABOR INC |
| 2518311 | August 8, 1950 | Torsional high-pass mechanical filter | HARTLEY RALPH V L | BELL TELEPHONE LABOR INC |
| 2518308 | August 8, 1950 | Electron discharge device unit mounting | WARREN GRONROS ; VEAZIE EDMUND A | BELL TELEPHONE LABOR INC |
| 2518027 | August 8, 1950 | Telegraph repeater | KRECEK JOSEPH A | BELL TELEPHONE LABOR INC |
| 2518022 | August 8, 1950 | Translator | WILLIAM KEISTER | BELL TELEPHONE LABOR INC |
| 2517975 | August 8, 1950 | Magnetometer probe | CHAPIN DARYL M | BELL TELEPHONE LABOR INC |
| 2517960 | August 8, 1950 | Self-biased solid amplifier | BARNEY HAROLD L ; MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2517587 | August 8, 1950 | Secret message transmission system | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2519287 | August 15, 1950 | Multiunit calling group control circuit for preventing overload of current at switchboards | ROBB THEODORE D ; SHIEL JOHN B | BELL TELEPHONE LABOR INC |
| 2519280 | August 15, 1950 | Method and composition for making ceramic articles | POTTER JOHN F ; RIGTERINK MERLC D | BELL TELEPHONE LABOR INC |
| 2519278 | August 15, 1950 | Pulse-actuated circuit | OLIVEY BERNARD M | BELL TELEPHONE LABOR INC |
| 2519277 | August 15, 1950 | Magnetostrictive device and alloy and method of producing them | NESBITT ETHAN A ; WILLIAMS HOWELL J | BELL TELEPHONE LABOR INC |
| 2519262 | August 15, 1950 | Differential analyzer | LOVELL CLARENCE A | BELL TELEPHONE LABOR INC |
| 2519247 | August 15, 1950 | Timing circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2519233 | August 15, 1950 | Aircraft trainer | DAVIS RICHARD C ; BOHMAN VINCENT F ; GERMANTON CHARLES E | BELL TELEPHONE LABOR INC |
| 2518564 | August 15, 1950 | Antenna auxiliary control circuit for directional beam scanning systems | NEBEL CHARLES N | BELL TELEPHONE LABOR INC |
| 2518526 | August 15, 1950 | Directive antenna system | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2520016 | August 22, 1950 | Mounting of electrodes in electron discharge devices and method of fabrication | RONCI VICTOR L ; WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2520008 | August 22, 1950 | Radio marker system | KING ARCHIE P | BELL TELEPHONE LABOR INC |
| 2520007 | August 22, 1950 | Testing circuit for carrier communication system with automatic reset timer | LESTER HOCHGRAF | BELL TELEPHONE LABOR INC |
| 2519698 | August 22, 1950 | Ground trainer for aircraft personnel | PEARSALL FRANK M | BELL TELEPHONE LABOR INC |
| 2519688 | August 22, 1950 | Signal code translator | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2519670 | August 22, 1950 | Power plant charge control circuit | LANGABEER HARVEY T | BELL TELEPHONE LABOR INC |
| 2519667 | August 22, 1950 | Motor control circuit | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2519495 | August 22, 1950 | Magnetostrictive core and method of making it | NESBITT ETHAN A ; WILLIAMS HOWELL J | BELL TELEPHONE LABOR INC |
| 2519463 | August 22, 1950 | Mercury type relay | HARRISON HENRY C | BELL TELEPHONE LAB INCORPROATE |
| 2519426 | August 22, 1950 | Alternating current control device | GRANT DWIGHT W | BELL TELEPHONE LABOR INC |
| 2519425 | August 22, 1950 | Alternating current control device | BARLOW DICK S | BELL TELEPHONE LABOR INC |
| 2520646 | August 29, 1950 | Electroacoustic transducer | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2520640 | August 29, 1950 | Electroacoustic transducer | KREISEL RALPH R | BELL TELEPHONE LABOR INC |
| 2520534 | August 29, 1950 | Multiplex pulse repeater | EDSON JAMES O | BELL TELEPHONE LABOR INC |
| 2521545 | September 5, 1950 | Electron discharge device | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2521524 | September 5, 1950 | Directional antenna system | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2521507 | September 5, 1950 | Regulator circuit | BIRNEY DYSART | BELL TELEPHONE LABOR INC |
| 2521125 | September 5, 1950 | Wave transmission network | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2521116 | September 5, 1950 | Wave translating device | JR. STEPHEN DOBA, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2521114 | September 5, 1950 | Combined lock and spreader for portable rolling ladders | CAMPBELL THADDEUS C | BELL TELEPHONE LABOR INC |
| 2520962 | September 5, 1950 | System for automatically ticketing telephone calls | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2522402 | September 12, 1950 | Negative resistance repeater system | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2522395 | September 12, 1950 | Electric wave transmission | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2522389 | September 12, 1950 | Electric power source | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2522362 | September 12, 1950 | Cable testing method by transmitting pulses of different rates of propagation | GILBERT JOHN J | BELL TELEPHONE LABOR INC |
| 2522291 | September 12, 1950 | Cathode-ray tube with target controlled deflecting plates | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2522279 | September 12, 1950 | Wave guide coupling | KOLLER FREDRICK W ; EDMUND LEY | BELL TELEPHONE LABOR INC |
| 2522259 | September 12, 1950 | Electrode temperature regulation | FAY CLIFFORD E | BELL TELEPHONE LABOR INC |
| 2522151 | September 12, 1950 | Circuit for testing the dielectric strength of insulating material and recording puncture points | WEEKS JR JOHN R | BELL TELEPHONE LABOR INC |
| 2522130 | September 12, 1950 | Carrier telegraph receiving circuit | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2522125 | September 12, 1950 | Antenna driving mechanism | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2522124 | September 12, 1950 | Frequency-controlled oscillator | KLUTE WALTER A | BELL TELEPHONE LABOR INC |
| 2522946 | September 19, 1950 | Electrical control circuit for accounting system devices | GOODERHAM JOHN W | BELL TELEPHONE LABOR INC |
| 2522539 | September 19, 1950 | Frequency control for synthesizing systems | RIESZ ROBERT R | BELL TELEPHONE LABOR INC |
| 2522530 | September 19, 1950 | Electroacoustic transducer | MINER RUSSELL C | BELL TELEPHONE LABOR INC |
| 2522521 | September 19, 1950 | Thermal transistor microphone | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2523904 | September 26, 1950 | Record sensing and translating device | HARRY HANSEN | BELL TELEPHONE LABOR INC |
| 2523903 | September 26, 1950 | Jig | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2523841 | September 26, 1950 | Wave guide coupler | NORDSIECK ARNOLD T | BELL TELEPHONE LABOR INC |
| 2523748 | September 26, 1950 | Carrier telegraph system | ALBERT WILSON | BELL TELEPHONE LABOR INC |
| 2523717 | September 26, 1950 | Correction of distortion in telegraph signals | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2523408 | September 26, 1950 | Control mechanism | WILLIFORD OSCAR H | BELL TELEPHONE LABOR INC |
| 2523398 | September 26, 1950 | Radio wave transmission | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2523366 | September 26, 1950 | Mercury type relay | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2523365 | September 26, 1950 | Testing system for cathode-ray telephone switching apparatus | LEO GROSS | BELL TELEPHONE LABOR INC |
| 2523360 | September 26, 1950 | Electromagnetic relay | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2524034 | October 3, 1950 | Three-electrode circuit element utilizing semiconductor materials | BRATTAIN WALTER H ; GIBNEY ROBERT B | BELL TELEPHONE LABOR INC |
| 2524033 | October 3, 1950 | Three-electrode circuit element utilizing semiconductive materials | JOHN BARDEEN | BELL TELEPHONE LABOR INC |
| 2526595 | October 17, 1950 | Precision pulse failure alarm circuit | WATTS JR HENRY M | BELL TELEPHONE LABOR INC |
| 2526579 | October 17, 1950 | Variable reactor | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2526574 | October 17, 1950 | Secondary emitter | MENDENHALL HALLAM E | BELL TELEPHONE LABOR INC |
| 2526573 | October 17, 1950 | Frequency selective system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2526551 | October 17, 1950 | Delayed-action pulse repeater | GANO ALFRED S | BELL TELEPHONE LABOR INC |
| 2527166 | October 24, 1950 | Electrode assembly for electron discharge devices | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2527159 | October 24, 1950 | Telephone transmitter with radial slots in the carbon chamber | STEVENS RALPH R | BELL TELEPHONE LABOR INC |
| 2527153 | October 24, 1950 | Remote-control system | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2527146 | October 24, 1950 | Broad band coaxial line to wave guide coupler | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2527145 | October 24, 1950 | Magnetic recorder and transmitter | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2527134 | October 24, 1950 | Method of producing fluorescent screens | JOHNSON JOHN B | BELL TELEPHONE LABOR INC |
| 2527127 | October 24, 1950 | Electronic discharge device | GORMLEY ROBERT S ; CHARLES MAGGS ; MOOSE LOUIS F | BELL TELEPHONE LABOR INC |
| 2527113 | October 24, 1950 | Multitarget cathode-ray device | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2528446 | October 31, 1950 | Current control circuit | MCCONNELL JOHN H | BELL TELEPHONE LABOR INC |
| 2528424 | October 31, 1950 | Tool for use in replacing insulators in switch banks | CLAYDEN FRANCIS W ; COLEMAN JR ROBERT E | BELL TELEPHONE LABOR INC |
| 2528414 | October 31, 1950 | Electrical winding | BIELING CARL A | BELL TELEPHONE LABOR INC |
| 2528161 | October 31, 1950 | Signal code translator | MILOCHE HERMAN A | BELL TELEPHONE LABOR INC |
| 2528121 | October 31, 1950 | Electrical connector | DICKINSON FRANK R | BELL TELEPHONE LABOR INC |
| 2528120 | October 31, 1950 | Telegraph hub repeater | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2528101 | October 31, 1950 | Telephone system | WILLIAMS SAMUEL B | BELL TELEPHONE LABOR INC |
| 2528100 | October 31, 1950 | Electronic calculator | WILLIAMS SAMUEL B | BELL TELEPHONE LABOR INC |
| 2528088 | October 31, 1950 | Electromagnetic relay | SHANCK ROY B | BELL TELEPHONE LABOR INC |
| 2528086 | October 31, 1950 | Relay contacts of conducting rubber | SCHENCK ALFRED K | BELL TELEPHONE LABOR INC |
| 2527835 | October 31, 1950 | Telautograph system | MILLER KENNETH W | BELL TELEPHONE LABOR INC |
| 2527817 | October 31, 1950 | Variable impedance wave guide matching transformer | HEY HERMAN C | BELL TELEPHONE LABOR INC |
| 2527652 | October 31, 1950 | Storage tube | PIERCE JOHN E | BELL TELEPHONE LABOR INC |
| 2527650 | October 31, 1950 | Synchronization of pulse transmission systems | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2527649 | October 31, 1950 | Synchronization of pulse transmission systems | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2527638 | October 31, 1950 | Pulse skip synchronization of pulse transmission systems | KREER JR JOHN G ; EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2527636 | October 31, 1950 | Method of and apparatus for detwinnning quartz crystals | HOLDEN ALAN N | BELL TELEPHONE LABOR INC |
| 2527632 | October 31, 1950 | Storage tube | GRAHAM ROBERT E | BELL TELEPHONE LABOR INC |
| 2527624 | October 31, 1950 | Object locator | FERRELL ENOCH B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2527619 | October 31, 1950 | Electrical resonator and mode suppressor therefor | BREHM HAROLD B ; KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2527617 | October 31, 1950 | Radio receiving system | BERGER URIAH S | BELL TELEPHONE LABOR INC |
| 2528849 | November 7, 1950 | High-power electron discharge device | WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2531242 | November 21, 1950 | Electrodynamic phonograph pickup | YENZER GEORGE R | BELL TELEPHONE LABOR INC |
| 2531230 | November 21, 1950 | Electric power source | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2531221 | November 21, 1950 | Delayed audible call signal for telephone substations | KENT STANLEY B | BELL TELEPHONE LABOR INC |
| 2531203 | November 21, 1950 | Telephone substation coupler for conversation recording | GALBREATH ROBERT R | BELL TELEPHONE LABOR INC |
| 2531201 | November 21, 1950 | Electronic control circuits for radar systems | DE LANGE OWEN E | BELL TELEPHONE LABOR INC |
| 2531194 | November 21, 1950 | Rotatable vane type attenuator with plug in or out elements | BOWEN ARNOLD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2530961 | November 21, 1950 | Stepping device | HARRY HANSEN | BELL TELEPHONE LABOR INC |
| 2530957 | November 21, 1950 | Time division system for modulated pulse transmission | GILMAN GEORGE W | BELL TELEPHONE LABOR INC |
| 2530956 | November 21, 1950 | Electrographic recording | GIBNEY ROBERT B | BELL TELEPHONE LABOR INC |
| 2530948 | November 21, 1950 | Electron injection space discharge device | CLOGSTON ALBERT M | BELL TELEPHONE LABOR INC |
| 2530947 | November 21, 1950 | Secondary electron emitter | CHEESMAN LEONARD E ; MENDENHALL HALLAM E | BELL TELEPHONE LABOR INC |
| 2530946 | November 21, 1950 | Secondary electron emitter | CHESSMAN LEONARD E ; MENDENHALL HALLAM E | BELL TELEPHONE LABOR INC |
| 2530943 | November 21, 1950 | Intercommunicating telephone system | DUHNKRACK GEORGE H | BELL TELEPHONE LABOR INC |
| 2530891 | November 21, 1950 | Rotary multicontact device | MATTKE CHARLES F | BELL TELEPHONE LABOR INC |
| 2530890 | November 21, 1950 | Radar antenna driving mechanism | MATTKE CHARLES F | BELL TELEPHONE LABOR INC |
| 2530836 | November 21, 1950 | Grounded grid microwave modulator | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2530826 | November 21, 1950 | Radio relay system | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2530825 | November 21, 1950 | System for synchronizing the supplying of demodulation carrier currents | KING KENNETH L | BELL TELEPHONE LABOR INC |
| 2530824 | November 21, 1950 | Secret carrier signaling method and system | KING KENNETH L | BELL TELEPHONE LABOR INC |
| 2530818 | November 21, 1950 | Variable phase shifter for circularly polarized microwaves | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2530812 | November 21, 1950 | Supporting detail for flexible conductors | CARMER JR BERTRAM H ; DUTRA FRANK A | BELL TELEPHONE LABOR INC WESTERN ELECTRIC CO |
| 2530745 | November 21, 1950 | Transistor microphone with conductive grains | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2530726 | November 21, 1950 | Cable stranding machine | RASMUSSEN OSVALD E | BELL TELEPHONE LABOR INC |
| 2530693 | November 21, 1950 | Panoramic signal receiving system | GREEN ESTILL I | BELL TELEPHONE LABOR INC |
| 2530691 | November 21, 1950 | Wave filter | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2530679 | November 21, 1950 | Resonant impedance branch | BRILL MELVILLE D | BELL TELEPHONE LABOR INC |
| 2530556 | November 21, 1950 | Support and cord assembly for hand telephones | TURNBULL JR WILLIAM G | BELL TELEPHONE LABOR INC |
| 2530546 | November 21, 1950 | Electrophoretic deposition of insulating coating | SNYDER JAMES M | BELL TELEPHONE LABOR INC |
| 2530541 | November 21, 1950 | Wave meter | ROTH WALTER L | BELL TELEPHONE LABOR INC |
| 2530538 | November 21, 1950 | Vernier pulse code communication system | RACK ALOIS J | BELL TELEPHONE LABOR INC |
| 2530528 | November 21, 1950 | Phase comparator for underwater signaling | KREER JR JOHN G | BELL TELEPHONE LABOR INC |
| 2530373 | November 21, 1950 | Ultra high frequency electronic device | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2532133 | November 28, 1950 | Volume control for telephone ringers | WHIDDEN WILLIAM E | BELL TELEPHONE LABOR INC |
| 2532125 | November 28, 1950 | Selective station ringing system | SINGER FRED J ; STACY LELAND J | BELL TELEPHONE LABOR INC |
| 2532097 | November 28, 1950 | Decentralized line switch arrangement | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2532096 | November 28, 1950 | Power source | HARTLEY RALPH V L | BELL TELEPHONE LABOR INC |
| 2531846 | November 28, 1950 | Communication system employing pulse code modulation | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2531660 | November 28, 1950 | Fabrication of piezoelectric crystal units | ZIEGLER ARTHUR W | BELL TELEPHONE LABOR INC |
| 2531642 | November 28, 1950 | Magnetic transducing system | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2531637 | November 28, 1950 | Automatic call recording system for automatic telephony | MILLER CHARLES G | BELL TELEPHONE LABOR INC |
| 2531624 | November 28, 1950 | Selective signaling system | HANSCOM CLARENCE D | BELL TELEPHONE LABOR INC |
| 2531623 | November 28, 1950 | High-frequency electronic discharge device | HALE DOUGLAS A S ; KIRCHER REYMOND J | BELL TELEPHONE LABOR INC |
| 2531622 | November 28, 1950 | Automatic accounting device | HAGUE ALFRED E ; JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2531615 | November 28, 1950 | Telephone system | ERWIN EDSON L | BELL TELEPHONE LABOR INC |
| 2531600 | November 28, 1950 | Electron beam tube filter | BARNEY HAROLD L ; PETERSON LISS C ; POTTER RALPH K ; SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2531447 | November 28, 1950 | Hybrid channel-branching microwave filter | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2531419 | November 28, 1950 | Hybrid branching circuits | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2532741 | December 5, 1950 | Microphone with opposite electrodes being of varying and constant curvature | STEVENS RALPH R | BELL TELEPHONE LABOR INC |
| 2532731 | December 5, 1950 | Visualization of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2532728 | December 5, 1950 | Gas-filled tube circuit | LEWIS BENJAMIN F | BELL TELEPHONE LABOR INC |
| 2532723 | December 5, 1950 | Servomotor circuit | KNOOP WILLIAM A | BELL TELEPHONE LABOR INC |
| 2532718 | December 5, 1950 | Coordinate selecting and lockout circuit | GEORGE HECHT | BELL TELEPHONE LABOR INC |
| 2532699 | December 5, 1950 | Sealing composition | DE COSTE JOHN B | BELL TELEPHONE LABOR INC |
| 2532697 | December 5, 1950 | Voltage supply apparatus | CORBIN JOSEPH E ; NEWHOUSE RUSSELL C | BELL TELEPHONE LABOR INC |
| 2532694 | December 5, 1950 | Telephone transmitter having frustoconical back electrode | BRYANT HERBERT W | BELL TELEPHONE LABOR INC |
| 2533543 | December 12, 1950 | Off-channel squelch circuit for radio receivers | YOUNG JR WILLIAM R | BELL TELEPHONE LABOR INC |
| 2533512 | December 12, 1950 | Ultra high frequency ionic discharge switch device | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2533506 | December 12, 1950 | Universal coil-winding machine | RICHARD CHARLES D | BELL TELEPHONE LABOR INC |
| 2533499 | December 12, 1950 | Acoustic range finder | MUNSON WILDEN A | BELL TELEPHONE LABOR INC |
| 2533484 | December 12, 1950 | Trainer for aircraft personnel | LUKAES JOSEPH J ; STRICKLER WALTER B | BELL TELEPHONE LABOR INC |
| 2533476 | December 12, 1950 | Automatic telephone systems involving prepayment telephone lines | LAMBERTY FREDERICK R ; MARTINS ARTHUR S ; WICHMAN WESLEY T | BELL TELEPHONE LABOR INC |
| 2533473 | December 12, 1950 | Motor speed control system | KILLE LINDLEY A | BELL TELEPHONE LABOR INC |
| 2533465 | December 12, 1950 | Clapper for telephone ringers | JENKINS REGINALD T | BELL TELEPHONE LABOR INC |
| 2534872 | December 19, 1950 | Pulse producing apparatus | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2534864 | December 19, 1950 | Terminal strip for electrical interconnections | MORRIS FRITTS | BELL TELEPHONE LABOR INC |
| 2534862 | December 19, 1950 | Radio ranging system with selective automatic volume control and range following | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2534856 | December 19, 1950 | Cold cathode gas tube counting circuit | CRAFT CLIFFORD J | BELL TELEPHONE LABOR INC |
| 2534850 | December 19, 1950 | Telephone system having preset transmitter | BOWNE LANGFORD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2534564 | December 19, 1950 | Ringer test circuit controlled from station under test | WADSWORTH PAUL W | BELL TELEPHONE LABOR INC |
| 2534559 | December 19, 1950 | Voltage regulation | PRINCE JR ROY W | BELL TELEPHONE LABOR INC |
| 2534548 | December 19, 1950 | High-power water-cooled electron discharge device | FAY CLIFFORD E ; HALE DOUGLAS A S | BELL TELEPHONE LABOR INC |
| 2534542 | December 19, 1950 | Stand-by battery system | BOWER JUSTUS H | BELL TELEPHONE LABOR INC |
| 2534393 | December 19, 1950 | Electrode assembly for electrical discharge devices | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2534392 | December 19, 1950 | Method of making glass window seals | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2534373 | December 19, 1950 | Electrode mounting for high-power electron discharge devices | RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2534372 | December 19, 1950 | Cathode-ray device | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2534354 | December 19, 1950 | Plug-in magnetic switch housing | KELLER ARTHUR C | BELL TELEPHONE LABOR INC |
| 2534338 | December 19, 1950 | Automatic etching apparatus | FRANK CAROSELLI | BELL TELEPHONE LABOR INC |
| 2535811 | December 26, 1950 | Voltage divider circuit | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2535810 | December 26, 1950 | Minimizing electron optical distortions in electron camera tubes | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2535713 | December 26, 1950 | Protective plating for electrodes | WOOTEN LELAND A | BELL TELEPHONE LABOR INC |
| 2535681 | December 26, 1950 | Electroacoustic system and means | JOHNSON KENNETH S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2535675 | December 26, 1950 | Ringing control circuit | GODDARD MYRON C | BELL TELEPHONE LABOR INC |
| 2535667 | December 26, 1950 | Torque controlling mechanism | BURGER MICHAEL J ; CLEMENT GEORGE F | BELL TELEPHONE LABOR INC |
| 2535661 | December 26, 1950 | Control circuits | ADAM JR ARMAND O ; AVERY ROBERT C | BELL TELEPHONE LABOR INC |
| 2535446 | December 26, 1950 | Carrier communication system | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2535400 | December 26, 1950 | Multicontact dry reed relay | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2535317 | December 26, 1950 | High-speed oscilloscope | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2535303 | December 26, 1950 | Electronic switch | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |