| Patent | Date | Title | Inventor | Assignee |
| 2536193 | January 2, 1951 | Time interval measuring device | LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2537862 | January 9, 1951 | High-voltage pulse generator | SAMUEL ARTHUR L | BELL TELEPHONE LABOR INC |
| 2537858 | January 9, 1951 | Impact measuring and recording mechanism | RICHARD CHARLES D | BELL TELEPHONE LABOR INC |
| 2537843 | January 9, 1951 | Pulse regeneration apparatus | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2537824 | January 9, 1951 | Magnetron | HAGSTRUM HOMER D | BELL TELEPHONE LABOR INC |
| 2537822 | January 9, 1951 | Spiral scanning mechanism | FRITTS MORRIS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2537388 | January 9, 1951 | Beam amplifier | WOOLDRIDGE DEAN E | BELL TELEPHONE LABOR INC |
| 2537341 | January 9, 1951 | Tuning arrangement | GLASS MYRON S | BELL TELEPHONE LABOR INC |
| 2537257 | January 9, 1951 | Light-sensitive electric device | BRATTAIN WALTER H | BELL TELEPHONE LABOR INC |
| 2537256 | January 9, 1951 | Light-sensitive electric device | BRATTAIN WALTER H | BELL TELEPHONE LABOR INC |
| 2537255 | January 9, 1951 | Light-sensitive electric device | BRATTAIN WALTER H | BELL TELEPHONE LABOR INC |
| 2537139 | January 9, 1951 | Object locator system | KANNENBERG WALTER F ; KINZER JOHN P ; SCHRAMM CHARLES W ; WILSON IRA G | BELL TELEPHONE LABOR INC |
| 2538636 | January 16, 1951 | Digital computer | WILLIAMS SAMUEL B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2538621 | January 16, 1951 | Electrodynamic transducer and connector therefor | HOPKINS HARRIS F ; PRESCOTT ROBERT E | BELL TELEPHONE LABOR INC |
| 2538615 | January 16, 1951 | Decoder for reflected binary codes | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2538496 | January 16, 1951 | Metallic container sealing apparatus | BARRY JOSEPH F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2538495 | January 16, 1951 | Metallic container sealing method | BARRY JOSEPH F | BELL TELEPHONE LABOR INC |
| 2538267 | January 16, 1951 | Gaseous electron discharge device | PIERCE JOHN R ; SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2538266 | January 16, 1951 | Communication system employing pulse code modulation | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2538253 | January 16, 1951 | Artillery computer | EMORY LAKATOS ; OCH HENRY G | BELL TELEPHONE LABOR INC |
| 2538225 | January 16, 1951 | Method and means for joining coaxial cables | ALFORD EDWARD L | BELL TELEPHONE LABOR INC |
| 2538114 | January 16, 1951 | Thickness measurement | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2539623 | January 30, 1951 | Communication system | HEISING RAYMOND A | BELL TELEPHONE LABOR INC |
| 2539556 | January 30, 1951 | Variable delay speech privacy system | STEINBERG JOHN C | BELL TELEPHONE LABOR INC |
| 2539551 | January 30, 1951 | Telegraph hub circuit repeater | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2539550 | January 30, 1951 | Telegraph hub repeater | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2539537 | January 30, 1951 | Multifrequency combined radio transmitter and receiver | HARLEY JOHN B ; NORDAHL JOHN G | BELL TELEPHONE LABOR INC |
| 2539535 | January 30, 1951 | Source of electrical energy | LLOYD ESPENSCHIED | BELL TELEPHONE LABOR INC |
| 2540839 | February 6, 1951 | Wave guide system | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2540835 | February 6, 1951 | Cathode-ray device | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2540834 | February 6, 1951 | Electron discharge device | SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2540498 | February 6, 1951 | Microphone damping system having rear openings | TALLMAN SAMUEL C | BELL TELEPHONE LABOR INC |
| 2540488 | February 6, 1951 | Microwave filter | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2540487 | February 6, 1951 | Electroacoustic transducer | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2540478 | February 6, 1951 | Multivibrator | FROST GEORGE R | BELL TELEPHONE LABOR INC |
| 2541935 | February 13, 1951 | Battery charging apparatus | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2541932 | February 13, 1951 | Multiplex speech interpolation system | MELHOSE ALFRED E | BELL TELEPHONE LABOR INC |
| 2541925 | February 13, 1951 | Electrical space resonator having a high ratio between quality factor and volume | KINZER JOHN P | BELL TELEPHONE LABOR INC |
| 2541923 | February 13, 1951 | Molding apparatus | HUXHAM TREVOR S | BELL TELEPHONE LABOR INC |
| 2541910 | February 13, 1951 | Directional coupler | BANGERT JOHN T ; SIDNEY ROSEN | BELL TELEPHONE LABOR INC |
| 2541378 | February 13, 1951 | Rectangular wave generator control | HARRY NYQUIST | BELL TELEPHONE LABOR INC |
| 2541375 | February 13, 1951 | Wave filter | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2541348 | February 13, 1951 | Time division multiplex telephone system | LLOYD ESPENSCHIED | BELL TELEPHONE LABOR INC |
| 2541324 | February 13, 1951 | Motion translating mechanism | BAXTER HOWARD A ; LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2541322 | February 13, 1951 | Control of impedance of semiconductor amplifier circuits | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2541320 | February 13, 1951 | Multifrequency generator | BACHELET ALBERT E | BELL TELEPHONE LABOR INC |
| 2541294 | February 13, 1951 | Locking electrical connector | RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2541276 | February 13, 1951 | Differential control circuit | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2541259 | February 13, 1951 | Automatic frequency control system | MAGGIO JOHN B | BELL TELEPHONE LABOR INC |
| 2541195 | February 13, 1951 | Resonator with multiple electrodes | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2542844 | February 20, 1951 | Microwave directive antenna | SMITH PHILLIP H | BELL TELEPHONE LABOR INC |
| 2542800 | February 20, 1951 | Variable timed release for registers controlled by register group busy means | DEHN JOSEPH W ; HERSEY RALPH E ; MEHRING ARTHUR C | BELL TELEPHONE LABOR INC |
| 2542794 | February 20, 1951 | Control circuit for step-by-step switches | BROWN HENRY B | BELL TELEPHONE LABOR INC |
| 2542742 | February 20, 1951 | Pilot lamp station line circuits | WELCH PAUL V | BELL TELEPHONE LABOR INC |
| 2542727 | February 20, 1951 | Etching processes and solutions | THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2542672 | February 20, 1951 | Coordinate selecting and lockout circuit | GEORGE HECHT | BELL TELEPHONE LABOR INC |
| 2542668 | February 20, 1951 | Mercury type relay | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2542644 | February 20, 1951 | Multistage ring circuit | EDSON JAMES O | BELL TELEPHONE LABOR INC |
| 2542208 | February 20, 1951 | Telegraph concentration board circuits | PURVIS MATTHEW R | BELL TELEPHONE LABOR INC |
| 2542185 | February 20, 1951 | Rotatable attenuator without phase shift | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2542183 | February 20, 1951 | Transmission privacy synchronizing and equalizing system | EDWARDS PAUL G | BELL TELEPHONE LABOR INC |
| 2542182 | February 20, 1951 | Combined radar and communication system | CRUMP ELMO E | BELL TELEPHONE LABOR INC |
| 2543531 | February 27, 1951 | Counting apparatus | LANG WILMARTH Y | BELL TELEPHONE LABOR INC |
| 2543130 | February 27, 1951 | Reflecting system | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2543116 | February 27, 1951 | Means and method for the secret transmission of message intelligence | LLEWELLYN FREDERICK B | BELL TELEPHONE LABOR INC |
| 2543039 | February 27, 1951 | Bombardment induced conductivity in solid insulators | MCKAY KENNETH G | BELL TELEPHONE LABOR INC |
| 2544330 | March 6, 1951 | Selective signaling device | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2544325 | March 6, 1951 | Telephone substation apparatus | JOHNSON JR CHARLES A ; KRUMREICH CHARLES L | BELL TELEPHONE LABOR INC |
| 2544313 | March 6, 1951 | Cable lashing machine | HARLEY JOSEPH J | BELL TELEPHONE LABOR INC |
| 2545204 | March 13, 1951 | Jet-accelerated armor-piercing bomb | HICKMAN CLARENCE N ; GRAUMANN RAYMOND L ; MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2544755 | March 13, 1951 | Electron camera tube | JOHNSON JOHN B ; MCKAY KENNETH G | BELL TELEPHONE LABOR INC |
| 2544754 | March 13, 1951 | Electron camera tube | TOWNES CHARLES H | BELL TELEPHONE LABOR INC |
| 2544753 | March 13, 1951 | Electron camera tube | GRAHAM ROBERT E | BELL TELEPHONE LABOR INC |
| 2545562 | March 20, 1951 | Shaft coupling | THIEL JR FELIX A | BELL TELEPHONE LABOR INC |
| 2545560 | March 20, 1951 | Die set for punch presses | GEORGE SCOTT | BELL TELEPHONE LABOR INC |
| 2545544 | March 20, 1951 | Impedance monitor | DOHERTY WILLIAM H | BELL TELEPHONE LABOR INC |
| 2546840 | March 27, 1951 | Wave guide phase shifter | TYRRELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2546835 | March 27, 1951 | Code recording control circuit | RIPPERE ROBERT O | BELL TELEPHONE LABOR INC |
| 2546829 | March 27, 1951 | Magnetic recorder and reproducer | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2546824 | March 27, 1951 | Electrical protective apparatus | KOLISS PETER P | BELL TELEPHONE LABOR INC |
| 2546821 | March 27, 1951 | Magnetic recorder and reproducer | HARRY HANSEN | BELL TELEPHONE LABOR INC |
| 2546819 | March 27, 1951 | Stepping failure indicator for sensing devices | GOODERHAM JOHN W | BELL TELEPHONE LABOR INC |
| 2546818 | March 27, 1951 | Electric switch contact protection | STEVENSON CURTIS LAVALETTE | BELL TELEPHONE LABOR INC |
| 2546814 | March 27, 1951 | Indicating apparatus | AUGUSTADT HERBERT W | BELL TELEPHONE LABOR INC |
| 2546810 | March 27, 1951 | Tool for use in replacing insulators in switch banks | ANDERSON FRED A | BELL TELEPHONE LABOR INC |
| 2546371 | March 27, 1951 | Generation of pulses of alternately opposite polarities | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2546370 | March 27, 1951 | Azimuth indicating circuit | OSTENDORF JR BERNARD ; REA WILTON T | BELL TELEPHONE LABOR INC |
| 2546365 | March 27, 1951 | Pneumatic operating clutch device | LEVERIDGE WALTER J | BELL TELEPHONE LABOR INC |
| 2546322 | March 27, 1951 | Balanced to unbalanced coupling | SMITH PHILLIP H | BELL TELEPHONE LABOR INC |
| 2546321 | March 27, 1951 | Piezoelectric crystal apparatus | RUGGLES DAVID M | BELL TELEPHONE LABOR INC |
| 2546316 | March 27, 1951 | Synchronization of pulse communication systems | PETERSON EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2546309 | March 27, 1951 | Joint for coaxial conductors | KEMPF RAYMOND A | BELL TELEPHONE LABOR INC |
| 2547549 | April 3, 1951 | Ringing equipment for pulse modulation systems | WENNEMER GERARD P | BELL TELEPHONE LABOR INC |
| 2547539 | April 3, 1951 | Signal wave duplexing system | RING DOUGLAS H | BELL TELEPHONE LABOR INC |
| 2547538 | April 3, 1951 | Briding amplifier | RIEKE JOHN W | BELL TELEPHONE LABOR INC |
| 2547537 | April 3, 1951 | Telephone ringer | POWER JAMES R | BELL TELEPHONE LABOR INC |
| 2547525 | April 3, 1951 | Recorder checking device | HAGUE ALFRED E | BELL TELEPHONE LABOR INC |
| 2547521 | April 3, 1951 | Pressure bomb for chemical and physical reactions | ERNEST BUEHLER | BELL TELEPHONE LABOR INC |
| 2547416 | April 3, 1951 | Dielectric lens | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2547406 | April 3, 1951 | Method and means for controlling the resistance of oxidic semiconductors | MORIN FRANCIS J | BELL TELEPHONE LABOR INC |
| 2547399 | April 3, 1951 | Winding mechanism for tight winding paper tape on spools | LEVERIDGE WALTER J | BELL TELEPHONE LABOR INC |
| 2547397 | April 3, 1951 | Signal sampling and modulation | KIRKPATRICK WILLIAM E | BELL TELEPHONE LABOR INC |
| 2547386 | April 3, 1951 | Current storage device utilizing semiconductor | FRANK GRAY | BELL TELEPHONE LABOR INC |
| 2547142 | April 3, 1951 | Secondary emission amplifier | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2547133 | April 3, 1951 | Wave filter | LOVELL GEORGE H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2547107 | April 3, 1951 | Stabilized amplifier | ANDERSON ATTELL B | BELL TELEPHONE LABOR INC |
| 2548672 | April 10, 1951 | Multiresonant wave-guide structure | LEWIS WILLARD D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2548671 | April 10, 1951 | Directional radio reception | JR. JOHN G. KREER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2548661 | April 10, 1951 | Elastic time division multiplex system | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2548655 | April 10, 1951 | Directive dielectric guide antenna | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2549551 | April 17, 1951 | Grid electrode structure and manufacturing method therefor | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2549550 | April 17, 1951 | Vibration-operated transistor | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2549505 | April 17, 1951 | Phase or frequency modulation system | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2549504 | April 17, 1951 | Method of sealing glass to metal | MESSANA JOSEPH P | BELL TELEPHONE LABOR INC |
| 2549464 | April 17, 1951 | Electric power source | HARTLEY RALPH V L | BELL TELEPHONE LABOR INC |
| 2549422 | April 17, 1951 | Decoder for multiple carrier pulse code modulation signals | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2549143 | April 17, 1951 | Microwave broadcast antenna | TINUS WILLIAM C | BELL TELEPHONE LABOR INC |
| 2549131 | April 17, 1951 | Radar equipment testing system | RIDEOUT VINCENT C | BELL TELEPHONE LABOR INC |
| 2549091 | April 17, 1951 | Diaphragm for electroacoustic transducers | HOPKINS HARRIS F | BELL TELEPHONE LABOR INC |
| 2549065 | April 17, 1951 | Frequency discriminative electric transducer | DIETZOLD ROBERT L | BELL TELEPHONE LABOR INC |
| 2549064 | April 17, 1951 | Multiswitching gaseous discharge device | DEPP WALLACE A | BELL TELEPHONE LABOR INC |
| 2550605 | April 24, 1951 | Circuit closing device | SCHENCK ALFRED K | BELL TELEPHONE LABOR INC |
| 2550600 | April 24, 1951 | Indicating circuit | REHM THEODORE C | BELL TELEPHONE LABOR INC |
| 2550596 | April 24, 1951 | Equalizer for transmission lines | PFLEGER KENNETH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2550595 | April 24, 1951 | Equalizer for transmission lines | PFLEGER KENNETH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2550585 | April 24, 1951 | Telephone identification circuit | MURPHY RICHARD P | BELL TELEPHONE LABOR INC |
| 2550518 | April 24, 1951 | Control of impedance of semiconductor amplifier circuits | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2549872 | April 24, 1951 | Focusing ultrasonic radiator | WILLARD GERALD W | BELL TELEPHONE LABOR INC |
| 2550909 | May 1, 1951 | Recording system | BUSCH ALOYSIUS J ; EDWARD VROOM | BELL TELEPHONE LABOR INC |
| 2553491 | May 15, 1951 | Acoustic transducer utilizing semiconductors | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2553490 | May 15, 1951 | Magnetic control of semiconductor currents | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2553255 | May 15, 1951 | Telephone substation apparatus | HAYWARD JOHN M ; JOHNSON JR CHARLES A ; NEISSER WILSON R | BELL TELEPHONE LABOR INC |
| 2553245 | May 15, 1951 | Electronic tracing system | LLOYD ESPENSCHIED | BELL TELEPHONE LABOR INC |
| 2552640 | May 15, 1951 | Oxide resistors and method of making them | MORIN FRANCIS J | BELL TELEPHONE LABOR INC |
| 2552629 | May 15, 1951 | Error-detecting and correcting system | HAMMING RICHARD W ; HOLBROOK BERNARD D | BELL TELEPHONE LABOR INC |
| 2552626 | May 15, 1951 | Silicon-germanium resistor and method of making it | FISHER JOSEPH R ; TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2552619 | May 15, 1951 | Electron beam coder for pulse code modulation | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2554155 | May 22, 1951 | Ground trainer for training aircraft crews | RIPPERE ROBERT O | BELL TELEPHONE LABOR INC |
| 2554153 | May 22, 1951 | Telephotograph system, including a pilot gain control channel | PHELPS WALTER A | BELL TELEPHONE LABOR INC |
| 2554149 | May 22, 1951 | Translator for calling line identification | MILOCHE HERMAN A | BELL TELEPHONE LABOR INC |
| 2553752 | May 22, 1951 | Combined multivibrator and sweep circuit | DE LANGE OWEN E | BELL TELEPHONE LABOR INC |
| 2553749 | May 22, 1951 | Sealing fixture for the manufacture of electron discharge devices | CLARK JAMES E ; RONCI VICTOR L | BELL TELEPHONE LABOR INC |
| 2553747 | May 22, 1951 | Method and means for transposing open-wire lines | CARR JAMES A | BELL TELEPHONE LABOR INC |
| 2555001 | May 29, 1951 | Bonded article and method of bonding | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2554847 | May 29, 1951 | Telegraph mark-hold circuit | VANDERLIPPE RICHARD A | BELL TELEPHONE LABOR INC |
| 2554837 | May 29, 1951 | Time delay control apparatus | MESZAROS GEORGE W | BELL TELEPHONE LABOR INC |
| 2554835 | May 29, 1951 | Recording system | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2554834 | May 29, 1951 | Coupling for telephone receivers and hearing aid sets | LAVERY GRANT G | BELL TELEPHONE LABOR INC |
| 2554828 | May 29, 1951 | Testing repeaters in transmission systems by shunting out individual repeaters | JACOBS OLIVER B | BELL TELEPHONE LABOR INC |
| 2554591 | May 29, 1951 | Radio paging system for vehicles | EDWARD PRAIZNER | BELL TELEPHONE LABOR INC |
| 2554582 | May 29, 1951 | Magnetic recorder | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2554549 | May 29, 1951 | Recorder failure indicator | ALBERT WALTER P ; GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2556001 | June 5, 1951 | Microwave impedance matching reactor | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2555959 | June 5, 1951 | Nonlinear reactance circuits utilizing high dielectric constant ceramics | CURTIS LAVALETTE STEVENSON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2556991 | June 12, 1951 | Light-sensitive electric device | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2556978 | June 12, 1951 | Linear accelerator for charged particles | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2556964 | June 12, 1951 | Ground trainer for aircraft personnel | GIROUD HENRY A | BELL TELEPHONE LABOR INC |
| 2556958 | June 12, 1951 | Translator circuit | BRANSON DAVID E ; DAVEY JAMES R ; KNANDEL GEORGE J ; LOCKE GEORGE A ; VANDERLIPPE RICHARD A | BELL TELEPHONE LABOR INC |
| 2556716 | June 12, 1951 | Relay | VIOL WALTER E | BELL TELEPHONE LABOR INC |
| 2556711 | June 12, 1951 | Method of producing rectifiers and rectifier material | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2556705 | June 12, 1951 | Electrolysis switch | PIKE VERNON B | BELL TELEPHONE LABOR INC |
| 2556704 | June 12, 1951 | Counting circuit | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2556699 | June 12, 1951 | Amplifier | LOZIER JOHN C | BELL TELEPHONE LABOR INC |
| 2556692 | June 12, 1951 | Variable gain amplifying system | HOLDAWAY VIVIAN L | BELL TELEPHONE LABOR INC |
| 2556677 | June 12, 1951 | Secret communication system | CHAPMAN ARTHUR G | BELL TELEPHONE LABOR INC |
| 2556673 | June 12, 1951 | Composite scanning system for object location | BUDENBOM HORACE T | BELL TELEPHONE LABOR INC |
| 2556669 | June 12, 1951 | Microwave transmission system | ALBERSHEIM WALTER J | BELL TELEPHONE LABOR INC |
| 2556377 | June 12, 1951 | Detecting system for frequency modulated waves | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2556296 | June 12, 1951 | High-frequency transistor oscillator | RACK ALOIS J | BELL TELEPHONE LABOR INC |
| 2556286 | June 12, 1951 | Oscillation generator | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2556172 | June 12, 1951 | Signaling or dialing system | DUNLAP KERMIT S ; LOVELL CLARENCE A | BELL TELEPHONE LABOR INC |
| 2558577 | June 26, 1951 | Electromechanical translator | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2558571 | June 26, 1951 | Operator controlled coin collecting and refunding means for dial telephone systems | LAMBERTY FREDERICK R | BELL TELEPHONE LABOR INC |
| 2558540 | June 26, 1951 | Electromagnetic motor | CHARLES CLOS | BELL TELEPHONE LABOR INC |
| 2558537 | June 26, 1951 | Make busy arrangement having gasfilled tube responsive only to high voltages | BUSCH ALOYSIUS J ; WILLIFORD OSCAR H | BELL TELEPHONE LABOR INC |
| 2558477 | June 26, 1951 | Message ticketer | GOODERHAM JOHN W ; HAGUE ALFRED E ; POWELL ALBERT C | BELL TELEPHONE LABOR INC |
| 2558476 | June 26, 1951 | District assembler circuit | CARPENTER WARREN W ; GOODERHAM JOHN W | BELL TELEPHONE LABOR INC |
| 2558197 | June 26, 1951 | Electronic hub type telegraph repeater | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2558189 | June 26, 1951 | Delay indicating apparatus | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2558188 | June 26, 1951 | Contact actuating mechanism | MCWILLIAMS CHARLES W | BELL TELEPHONE LABOR INC |
| 2558187 | June 26, 1951 | Selective signaling generator in which coded information is recorded on a magnetizable medium | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2559312 | July 3, 1951 | Crossbar tandem office for telephone systems | NEWSOM JAMES B | BELL TELEPHONE LABOR INC |
| 2560353 | July 10, 1951 | Cavity resonator | KERWIEN ARTHUR E | BELL TELEPHONE LABOR INC |
| 2560348 | July 10, 1951 | Glow discharge device | STIERITZ WILLIAM G | BELL TELEPHONE LABOR INC |
| 2560347 | July 10, 1951 | Electrode structure for glow discharge tubes | PECK DONALD S | BELL TELEPHONE LABOR INC |
| 2560346 | July 10, 1951 | Glow discharge voltage control device | HOLDAWAY VIVIAN L | BELL TELEPHONE LABOR INC |
| 2560266 | July 10, 1951 | Communicating system | BACON WALTER M. ; WATSON EDWARD F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2561212 | July 17, 1951 | Microwave hybrid branching systems | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2560818 | July 17, 1951 | Visible indicator for radio object locators | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2560815 | July 17, 1951 | Television receiver blanking circuit | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2560806 | July 17, 1951 | Echo suppression in transmission lines | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2560792 | July 17, 1951 | Electrolytic surface treatment of germanium | GIBNEY ROBERT B | BELL TELEPHONE LABOR INC |
| 2560606 | July 17, 1951 | Photoresistive translating device | SHIVE JOHN N | BELL TELEPHONE LABOR INC |
| 2560594 | July 17, 1951 | Semiconductor translator and method of making it | PEARSON GERALD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2560585 | July 17, 1951 | Cathode-ray signal to voltage translating devices | BROCKWAY MCMILLAN | BELL TELEPHONE LABOR INC |
| 2560579 | July 17, 1951 | Semiconductor amplifier | KOCK WINSTON E. ; JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2562120 | July 24, 1951 | Magnetic field strength meter | PEARSON GERALD L | BELL TELEPHONE LABOR INC |
| 2562109 | July 24, 1951 | Signal wave analyzer for deriving pitch information | MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2562100 | July 24, 1951 | Coordinate selecting and lock-out circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2562091 | July 24, 1951 | Relay | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2561747 | July 24, 1951 | Volume limiting amplifier | MERRILL JR JOSIAH L ; REIER GEORGE C | BELL TELEPHONE LABOR INC |
| 2561732 | July 24, 1951 | Low elastic coefficient bodies, devices embodying them and methods of producing them | FINE MORRIS E | BELL TELEPHONE LABOR INC |
| 2561730 | July 24, 1951 | Electrical impulse counting system | FARKAS THOMAS P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2561722 | July 24, 1951 | Signaling system | BASCOM HENRY M. ; MASSONNEAU ROBERT F. ; JR. BERNARD OSTENDORF, ; REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2561478 | July 24, 1951 | Analyzing system for determining the fundamental frequency of a complex wave | DOREN MITCHELL | BELL TELEPHONE LABOR INC |
| 2561476 | July 24, 1951 | Magnetic recorder | LANG WILMARTH Y | BELL TELEPHONE LABOR INC |
| 2561462 | July 24, 1951 | Electromagnetic core and manufacture thereof | COMPTON KENNETH G ; GOULD HAROLD L B | BELL TELEPHONE LABOR INC |
| 2561411 | July 24, 1951 | Semiconductor signal translating device | PFANN WILLIAM G | BELL TELEPHONE LABOR INC |
| 2562717 | July 31, 1951 | Dialed number recovery circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2562382 | July 31, 1951 | Electromagnetic switch | HARRISON HENRY C | BELL TELEPHONE LABOR INC |
| 2562281 | July 31, 1951 | Directive pickup for transmission lines | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2562277 | July 31, 1951 | Metallic lens directive antenna system | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2564441 | August 14, 1951 | Telephone system requiring different types of pulses | BURTON MCKIM ; STRICKLER WALTER B | BELL TELEPHONE LABOR INC |
| 2564439 | August 14, 1951 | Standard frequency system | MARRISON WARREN A | BELL TELEPHONE LABOR INC |
| 2564437 | August 14, 1951 | Automatic volume control | KANNENBERG WALTER F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2564432 | August 14, 1951 | Impulse counting relay | HICKMAN CLARENCE N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2564429 | August 14, 1951 | Ground trainer for aircraft personnel | GERMANTON CHARLES E | BELL TELEPHONE LABOR INC |
| 2564425 | August 14, 1951 | Unitary amplifier for hearing aids | CORSO FRANK S ; CRABTREE THEODORE H | BELL TELEPHONE LABOR INC |
| 2564419 | August 14, 1951 | Time division multiplex system for signals of different band width | RALPH BOWN | BELL TELEPHONE LABOR INC |
| 2564125 | August 14, 1951 | Selecting system | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2564040 | August 14, 1951 | Glow discharge voltage control device | VANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2564017 | August 14, 1951 | Clamp circuit | MAGGIO JOHN B | BELL TELEPHONE LABOR INC |
| 2564010 | August 14, 1951 | Unattended repeater testing by causing the repeaters to oscillate | JACOBS OLIVER B | BELL TELEPHONE LABOR INC |
| 2564007 | August 14, 1951 | Coupling for wave guides | LESTER HOCHGRAF | BELL TELEPHONE LABOR INC |
| 2563990 | August 14, 1951 | Wave guide switching arrangement | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2563824 | August 14, 1951 | High-speed stepping distributor and counting circuit | DUNLAP KERMIT S ; SECKLER HOWARD N | BELL TELEPHONE LABOR INC |
| 2566850 | September 4, 1951 | Electroacoustic transducer | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2566849 | September 4, 1951 | Electroacoustic transducer | MOTT EDWARD E | BELL TELEPHONE LABOR INC |
| 2566848 | September 4, 1951 | Wire winding and tensioning device | MORTON JACK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2566840 | September 4, 1951 | Switch for telephone substation sets | KRUMREICH CHARLES L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2566825 | September 4, 1951 | Tuning control for thermally tuned devices or oscillators | CRUMP ELMO E | BELL TELEPHONE LABOR INC |
| 2566584 | September 4, 1951 | Reflex oscillator | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2566426 | September 4, 1951 | Relay selecting and indicating circuit | PARKS CHARLES O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2566405 | September 4, 1951 | Frequency modulation | LANGE OWEN E. DE ; GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2567827 | September 11, 1951 | Time delay relay | STOLLER MARIAN M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2567824 | September 11, 1951 | Automatic gain control | NYLUND HARRY W | BELL TELEPHONE LABOR INC |
| 2567812 | September 11, 1951 | Code transmitter | HICKMAN CLARENCE N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2567797 | September 11, 1951 | Current supply apparatus | ANDERSON FREDERIC W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2567415 | September 11, 1951 | Grid assembly and method of fabrication | WALSH EDWARD J | BELL TELEPHONE LABOR INC |
| 2567406 | September 11, 1951 | Electric discharge device for highfrequency oscillations | SKELLETT ALBERT M | BELL TELEPHONE LABOR INC |
| 2567394 | September 11, 1951 | Inductance coil | NUTTMAN CHARLES W | BELL TELEPHONE LABOR INC |
| 2567380 | September 11, 1951 | Parallel telectrical wave transmission network | KINGSBURY BURTON A | BELL TELEPHONE LABOR INC |
| 2567368 | September 11, 1951 | Telephone transmitter | HELMUTH ECKARDT | BELL TELEPHONE LABOR INC |
| 2567365 | September 11, 1951 | Polarized operator for telephone receivers | DALTON JOHN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2567359 | September 11, 1951 | Electron discharge apparatus | ANDERSON ALVA EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2568177 | September 18, 1951 | Signaling system | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2568172 | September 18, 1951 | Current supply apparatus | SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2568164 | September 18, 1951 | Key pulsing b operator position circuit | NOWECK HERMAN E ; ROBB THEODORE D | BELL TELEPHONE LABOR INC |
| 2568150 | September 18, 1951 | Balancing network for subscribers' telephone sets | GRAHAM FRANK H | BELL TELEPHONE LABOR INC |
| 2568138 | September 18, 1951 | Combined line and tripping relay circuit for telephone lines | BEAUMONT WILLIAM M | BELL TELEPHONE LABOR INC |
| 2567970 | September 18, 1951 | Semiconductor comprising silicon and method of making it | SCAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2569347 | September 25, 1951 | Circuit element utilizing semiconductive material | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2568823 | September 25, 1951 | Loud-speaking telephone set | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2568804 | September 25, 1951 | Automatic telephone system auxiliary line finder arrangement | HALL OLIVER C | BELL TELEPHONE LABOR INC |
| 2569478 | October 2, 1951 | Telegraph storage system | LOCKE GEORGE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2569443 | October 2, 1951 | Telegraph storage system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2570978 | October 9, 1951 | Semiconductor translating device | PFANN WILLIAM G | BELL TELEPHONE LABOR INC |
| 2570971 | October 9, 1951 | Vertical line number translator | OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2570940 | October 9, 1951 | Key sequence indicating keyset | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2570912 | October 9, 1951 | Method and means for locating nonlinearities in inaccessible cables | BISHOP WALTER M | BELL TELEPHONE LABOR INC |
| 2570505 | October 9, 1951 | Automatic system for checking receipt of telegraph messages in numerical order | WATSON EDWARD F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2570305 | October 9, 1951 | Electric wave transmission | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2570225 | October 9, 1951 | Series electronic switch | FELKER JEAN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2571800 | October 16, 1951 | Signal transmitter | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2571780 | October 16, 1951 | Damping means | STOLLER MARIAN M | BELL TELEPHONE LABOR INC |
| 2571680 | October 16, 1951 | Pulse code modulation system employing code substitution | CARBREY ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2571167 | October 16, 1951 | Masking device for crystals | RUGGLES DAVID M ; WARNER JR ARTHUR W | BELL TELEPHONE LABOR INC |
| 2572804 | October 23, 1951 | Automatic accounting device | FLINT ERLON W ; JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2572740 | October 23, 1951 | Private branch exchange telephone system | MALTHANER WILLIAM A | BELL TELEPHONE LABOR INC |
| 2572699 | October 23, 1951 | Charge and tax determining equipment for telephone systems | CARPENTER WARREN W. ; VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572685 | October 23, 1951 | Tape feed suppression mechanism | WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2572672 | October 23, 1951 | Impedance transforming network | SMITH PHILLIP H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572667 | October 23, 1951 | Method of producing quartz crystals | RUGGLES DAVID M | BELL TELEPHONE LABOR INC |
| 2572646 | October 23, 1951 | Apparatus for high-frequency heating and sealing fixtures | MENZEL PAUL R ; WEST JOHN W | BELL TELEPHONE LABOR INC |
| 2572628 | October 23, 1951 | Wave-guide transmission system | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572618 | October 23, 1951 | Maintenance bracket | HAURY PAUL T. ; WIER ANTHONY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572617 | October 23, 1951 | Maintenance bracket | HAURY PAUL T. ; WIER ANTHONY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572613 | October 23, 1951 | Setscrew | GOFF HAROLD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572611 | October 23, 1951 | Internal pipe cutter | GLORE ROBERT F ; SCHUNKE KARL H | BELL TELEPHONE LABOR INC |
| 2572598 | October 23, 1951 | Contact protection | CURTIS LAVALETTE STEVENSON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572586 | October 23, 1951 | Sweep circuit | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2572503 | October 23, 1951 | Key equipped telephone set | MELICK JOHN M | BELL TELEPHONE LABOR INC |
| 2572235 | October 23, 1951 | Multichannel intermodulation interference reduction radio communication system | JR. WILLIAM R. YOUNG, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572232 | October 23, 1951 | High-frequency wavemeter | WOLFE JOHN E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572216 | October 23, 1951 | Signal receiving system | TAYLOR EDMUND R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572210 | October 23, 1951 | Current supply apparatus | SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2572132 | October 23, 1951 | Transcribing and summarizing system | GIROUD HENRY A. ; IRWIN GORDON C. ; KILLE LINDLEY A. ; RETALLACK JOHN B. ; RIGGS GEORGE ; STRICKLER WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2572104 | October 23, 1951 | Private branch exchange telephone system | BOWNE LANGFORD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2573617 | October 30, 1951 | Telephone dial lamp | SHANN OSCAR A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2573569 | October 30, 1951 | Frame and trunk selection | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2573168 | October 30, 1951 | Mechanical impedance transformer | MASON WARREN P ; WICK RONALD F | BELL TELEPHONE LABOR INC |
| 2573150 | October 30, 1951 | Frequency divider | LACY LESTER Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2573148 | October 30, 1951 | Tunable resonance chamber | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2572970 | October 30, 1951 | Coaxial line coupler | BAKER GEORGE H ; SMITH PHILLIP H | BELL TELEPHONE LABOR INC |
| 2572831 | October 30, 1951 | Communication system | BACON WALTER M | BELL TELEPHONE LABOR INC |
| 2573744 | November 6, 1951 | Regulated current supply apparatus | TRUEKSESS DAVID E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2573713 | November 6, 1951 | Electrical wave guide switch | KANNENBERG WALTER F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575061 | November 13, 1951 | Compounding finely divided solids with butadiene-styrene synthetic rubber latices utilizing alkaline lignin solutions as dispersing agents | MCMAHON WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575058 | November 13, 1951 | Microwave radar antenna | KING ARCHIE P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576040 | November 20, 1951 | Cathode-ray device | PIERCE JOHN R ; SHANNON CLAUDE E ; TUKEY JOHN W | BELL TELEPHONE LABOR INC |
| 2576029 | November 20, 1951 | Cathode-ray device | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576026 | November 20, 1951 | Electronic switch | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575993 | November 20, 1951 | Multiple carrier transmission system | BENNETT WILLIAM R. ; FELDMAN CARL B. H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575990 | November 20, 1951 | Automatic volume control | AUGUSTADT HERBERT W | BELL TELEPHONE LABOR INC |
| 2575910 | November 20, 1951 | Voice-operated signaling system | MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2575909 | November 20, 1951 | Voice-operated system | DAVIS KINGSBURY H ; POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2575819 | November 20, 1951 | Crystal unit | LAIRD ARTHUR G | BELL TELEPHONE LABOR INC |
| 2575804 | November 20, 1951 | Microwave hybrid junction | FRLIS HARALD T ; LEWIS WILLARD D ; TILLOTSON LE ROY C | BELL TELEPHONE LABOR INC |
| 2575799 | November 20, 1951 | High-frequency power and impedance monitor | DOHERTY WILLIAM H. ; MORRISON JOHN F. ; YOUNKER ELMER L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575397 | November 20, 1951 | Tape storage mechanism | SCHMIED JAMES W | BELL TELEPHONE LABOR INC |
| 2575393 | November 20, 1951 | Electron beam tube filter | PETERSON LISS C ; POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2575383 | November 20, 1951 | High-frequency amplifying device | FIELD LESTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575372 | November 20, 1951 | Cold cathode gaseous discharge device | TOWNSEND MARK A | BELL TELEPHONE LABOR INC |
| 2575371 | November 20, 1951 | Cold cathode gaseous discharge device | TOWNSEND MARK A | BELL TELEPHONE LABOR INC |
| 2575370 | November 20, 1951 | Cold cathode gaseous discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2575363 | November 20, 1951 | Harmonic crystal oscillator | SIMONS BURTON H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576844 | November 27, 1951 | Mechanical gang perforator | MALLINA RUDOLPH F | BELL TELEPHONE LABOR INC |
| 2576836 | November 27, 1951 | Switch | JR. HARRY A. HILSINGER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576835 | November 27, 1951 | Flexible wave guide | JR. WILLIAM H. HEWITT, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576833 | November 27, 1951 | Frequency modulation detector | GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576481 | November 27, 1951 | Balanced crystal microwave converter | GEORGE RODWIN | BELL TELEPHONE LABOR INC |
| 2576463 | November 27, 1951 | Metallic lens antenna | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2576447 | November 27, 1951 | Head telephone set supports | DALTON JOHN F | BELL TELEPHONE LABOR INC |
| 2576437 | November 27, 1951 | Electric contacts | BARRY JOSEPH F | BELL TELEPHONE LABOR INC |
| 2576267 | November 27, 1951 | Preparation of germanium rectifier material | SCAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2576257 | November 27, 1951 | Measurment of q of resonant electrical systems | LANGE RUSSELL W | BELL TELEPHONE LABOR INC |
| 2576251 | November 27, 1951 | Electrode spacer structure for electron discharge devices | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2576249 | November 27, 1951 | Level ratio measuring system | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577619 | December 4, 1951 | Metallic structure for delaying unipolarized waves | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577614 | December 4, 1951 | Voice-frequency signaling system | FRITSCHI WALTER W ; LUCEK CHARLES W | BELL TELEPHONE LABOR INC |
| 2577609 | December 4, 1951 | Call data recording automatic telephone system | DIMOND THOMAS L ; WINGARDNER CHARLES A | BELL TELEPHONE LABOR INC |
| 2577602 | December 4, 1951 | Method for adjusting the sensitivity of contact devices | BURTON EVERETT T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577355 | December 4, 1951 | Pulse forming and shaping circuits | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577151 | December 4, 1951 | Regulated rectifying apparatus | POTTER JAMES A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577137 | December 4, 1951 | Time-delay circuit | LOW FRANK K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577108 | December 4, 1951 | Variable resistance device | COYNE HOWARD L ; FESSLER FRANK D ; HAMPTON LEON N ; MESCH ORWAR S A ; THOMPSON WALTER N | BELL TELEPHONE LABOR INC |
| 2577101 | December 4, 1951 | Switchboard | BALL EUSTACE T. ; FERGUSON JAMES G. ; GREENE JAMES E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2578370 | December 11, 1951 | Gaseous discharge device | PECK DONALD S | BELL TELEPHONE LABOR INC |
| 2578367 | December 11, 1951 | Telephone mounting | MOTT EDWARD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2578353 | December 11, 1951 | Electrical control device | HAMPTON LEON N ; MESCH ORWAR S A ; OBST CHARLES V | BELL TELEPHONE LABOR INC |
| 2578348 | December 11, 1951 | Television noise measuring technique and apparatus | GANNETT DANFORTH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2578343 | December 11, 1951 | Deflection coil testing apparatus and method | EKVALL ADOLPH C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2578342 | December 11, 1951 | Deflection coil assembly | EKVALL ADOLPH C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2578341 | December 11, 1951 | Stabilized feedback amplifier | JR. STEPHEN DOBA, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2577803 | December 11, 1951 | Manufacture of semiconductor translators | PFANN WILLIAM G | BELL TELEPHONE LABOR INC |
| 2577795 | December 11, 1951 | Stabilized frequency-modulated multivibrator | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2579336 | December 18, 1951 | Stabilized transistor trigger circuit | RACK ALOIS J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2579327 | December 18, 1951 | High-frequency energy absorbing variable coupling device | LUND NEAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2579324 | December 18, 1951 | Metallic structure for delaying propagated waves | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2579306 | December 18, 1951 | Multielectrode gaseous discharge devices | CHARLES DEPEW ; DEPP WALLACE A | BELL TELEPHONE LABOR INC |
| 2579302 | December 18, 1951 | Decoder for pulse code modulation | CARBREY ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2579289 | December 18, 1951 | Temperature compensated resonant vibrating system | ASHWORTH EVA T ; BOSTWICK LEE G | BELL TELEPHONE LABOR INC |
| 2579285 | December 18, 1951 | Transmission line distortion corrector | ABRAHAM LEONARD G | BELL TELEPHONE LABOR INC |
| 2578701 | December 18, 1951 | Coordinate selecting and lockout circuit | HECHT GEORGE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580123 | December 25, 1951 | Relay | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2580105 | December 25, 1951 | Telephone switch and mounting | KRUMREICH CHARLES L | BELL TELEPHONE LABOR INC |
| 2580097 | December 25, 1951 | System for testing cable repeater | HGENFRITZ LESTER M ; KETCHLEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2580095 | December 25, 1951 | Electronic code pulse transmitting circuit | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580093 | December 25, 1951 | Call data recording telephone system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2580083 | December 25, 1951 | Contrast pattern generator | DOBA JR STEPHEN ; RIEKE JOHN W | BELL TELEPHONE LABOR INC |
| 2580082 | December 25, 1951 | Relay translating circuit | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2580073 | December 25, 1951 | Time multiplex television in color | BURTON JOSEPH A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580069 | December 25, 1951 | Dial pulse receiving circuit | BLOUNT FRANK E | BELL TELEPHONE LABOR INC |
| 2579729 | December 25, 1951 | Automatic telephone message accounting system | DEHN JOSEPH W. ; VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2581308 | January 1, 1952 | Controlling and indicating device | SMITH HOWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2581305 | January 1, 1952 | Detection of electrically charged particles | SKELLETT ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2581266 | January 1, 1952 | Electrical brush contact device | RENWICK LUM GEORGE | BELL TELEPHONE LABOR INC |
| 2581251 | January 1, 1952 | Telephone booth | GLAZER ALLAN ; STRYKER NORMAN R. ; HOPKINS HARRIS F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2581184 | January 1, 1952 | Reperforating apparatus | GOFF HAROLD W | BELL TELEPHONE LABOR INC |
| 2580875 | January 1, 1952 | Tube circuit | YOUNG CLARENCE H | BELL TELEPHONE LABOR INC |
| 2580757 | January 1, 1952 | Alarm sending circuit | GERMANTON CHARLES E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580697 | January 1, 1952 | Image dissector tube | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580685 | January 1, 1952 | Color television with reduced band width | MATHES ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580673 | January 1, 1952 | Saw-tooth generator and system utilizing it | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580672 | January 1, 1952 | Saw-tooth generator and system utilizing it | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2580446 | January 1, 1952 | Harmonic generator | LOVELL CLARENCE A ; PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2580439 | January 1, 1952 | Directional acoustic system | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2581847 | January 8, 1952 | Radiant energy object locating system | LLOYD ESPENSCHIED ; CHAFFEE JOSEPH G | BELL TELEPHONE LABOR INC |
| 2582691 | January 15, 1952 | Impulse testing and test impulse generating set | FRITSCHI WALTER W | BELL TELEPHONE LABOR INC |
| 2582510 | January 15, 1952 | Polyethylene stabilized with sulfur plus a vulcanization accelerator | STIRATELLI BARTHOLOMEW A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2582498 | January 15, 1952 | Negative impedance repeater and loading system | JR. JOSIAH L. MERRILL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2582474 | January 15, 1952 | Gun computer having target rate integrating means for determining target position | BOMBERGER DAVID C ; INGERSON WILLIAM E ; OCH HENRY G | BELL TELEPHONE LABOR INC |
| 2583328 | January 22, 1952 | Circuit for controlling the release of a relay | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583102 | January 22, 1952 | Counting system | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583088 | January 22, 1952 | Alarm signaling system | CLUTTS CHARLES E. ; PULLIS GEORGE A. ; SCHENCK ALFRED K. ; WEBER LAURENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583086 | January 22, 1952 | Tape perforating machine | CARPENTER WARREN W | BELL TELEPHONE LABOR INC |
| 2583029 | January 22, 1952 | Method of preparing glow discharge devices | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583009 | January 22, 1952 | Asymmetric electrical conducting device | OLSEN KARL M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583008 | January 22, 1952 | Asymmetric electrical conducting device | OLSEN KARL M | BELL TELEPHONE LABOR INC |
| 2582959 | January 22, 1952 | Electron-tube controlled switching system | BRUCE EDMOND ; HALL NATHAN I. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2583562 | January 29, 1952 | Cathode-ray device | FRANK GRAY ; SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2583542 | January 29, 1952 | Vibratory reed-controlled oscillator | BOSTWICK LEE G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2584261 | February 5, 1952 | Ground trainer for aircraft crew | DAVIS RICHARD C. ; FOGARTY EDWARD J. ; RIPPERE ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585866 | February 12, 1952 | Antenna mechanism | SPAHN JR CHARLES F | BELL TELEPHONE LABOR INC |
| 2585842 | February 12, 1952 | Bridged t phase shifter | RICHARDSON PAUL H | BELL TELEPHONE LABOR INC |
| 2585841 | February 12, 1952 | Bridged t phase shifter | RICHARDSON PAUL H | BELL TELEPHONE LABOR INC |
| 2585772 | February 12, 1952 | Method and circuit for pulsation welding | HASLEY ANDREW D ; HIBBARD FRANK H | BELL TELEPHONE LABOR INC |
| 2585722 | February 12, 1952 | Frequency divider | BAIRD JACK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585582 | February 12, 1952 | Electron gun | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585571 | February 12, 1952 | Pulse repeater | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585563 | February 12, 1952 | Wave filter | LEWIS WILLARD D ; MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2585562 | February 12, 1952 | Directive antenna system | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2585545 | February 12, 1952 | Signaling system | GANNETT DANFORTH K | BELL TELEPHONE LABOR INC |
| 2585078 | February 12, 1952 | Negative resistance device utilizing semiconductor amplifier | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585077 | February 12, 1952 | Control of impedance of semiconductor amplifier circuits | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2585010 | February 12, 1952 | Wire connecting tool | HICKMAN CLARENCE N. ; MALLINA RUDOLPH F. ; RECK FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2584990 | February 12, 1952 | Transitor counting system | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2586597 | February 19, 1952 | Oscillation generator | BARDEEN JOHN ; BRATTAIN WALTER H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2586540 | February 19, 1952 | Torsion meter | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2586534 | February 19, 1952 | Private branch exchange trunk circuit | GRAY PRESTON R | BELL TELEPHONE LABOR INC |
| 2586080 | February 19, 1952 | Semiconductive signal translating device | PFANN WILLIAM G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2585904 | February 19, 1952 | Crossbar telephone system | BUSCH ALOYSIUS J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587482 | February 26, 1952 | Piezoelectric type switching relay | KELLER ARTHUR C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587458 | February 26, 1952 | Contact spring | FRITTS MORRIS | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587055 | February 26, 1952 | Electrical cavity resonator for microwaves | MARSHALL ROBERT W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587043 | February 26, 1952 | Preparation of 1,2 di-primary amines | LINCOLN HAWKINS WALTER | BELL TELEPHONE LABOR INC |
| 2587036 | February 26, 1952 | Process and apparatus for semicontinuous plating | GERMER LESTER H. ; REITTER GEORGE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587014 | February 26, 1952 | Charge and tax determining equipment for telephone systems | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2586901 | February 26, 1952 | Two-way trunk circuit arranged for dial-back operations | ALLISON SEWELL W | BELL TELEPHONE LABOR INC |
| 2586821 | February 26, 1952 | Selective signaling system using rectifiers back to back | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2588315 | March 4, 1952 | Heating apparatus | ZIEGLER ARTHUR W | BELL TELEPHONE LABOR INC |
| 2588249 | March 4, 1952 | Wave polarization shifter systems | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2588240 | March 4, 1952 | Pulsing circuit | HOUGHTON EDWARD W | BELL TELEPHONE LABOR INC |
| 2588226 | March 4, 1952 | Wave filter | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2588103 | March 4, 1952 | Wave guide coupling between coaxial lines | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587817 | March 4, 1952 | Telephone system | BUSCH ALOYSIUS J. ; MICHAEL HENRY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2587635 | March 4, 1952 | Spaced-pulse impulse sender | LOVELL CLARENCE A ; PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2589184 | March 11, 1952 | Electronic impedance equalizer | ZINN MANVEL K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2589158 | March 11, 1952 | Mobile-radio and wire system | STAPLES ELLIOT M | BELL TELEPHONE LABOR INC |
| 2589135 | March 11, 1952 | Submarine signaling device | RAFUSE IRAD S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2589130 | March 11, 1952 | Permutation code group selector | POTTER RALPH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2588397 | March 11, 1952 | Spaced-pulse impulse sender | LOVELL CLARENCE A ; PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2588375 | March 11, 1952 | Automatic accounting device | FLINT ERLON W. ; HAGUE ALFRED E. ; JR. AMOS E. JOEL, ; RIPPERE ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2589806 | March 18, 1952 | Selective signaling system | HICKMAN CLARENCE N | BELL TELEPHONE LABOR INC |
| 2589800 | March 18, 1952 | Telephone signaling system | JR. WALTER D. GOODALE, ; MARTIN WILLIAM H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2589739 | March 18, 1952 | Electrical oscillator having openended coaxial resonator | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2589711 | March 18, 1952 | Off-channel squelch circuit for radio receivers | LACY LESTER Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2589704 | March 18, 1952 | Semiconductor signal translating device | KIRKPATRICK WILLIAM E ; SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2589662 | March 18, 1952 | Radiotelephone receiving system | BJORNSON BJORN G | BELL TELEPHONE LABOR INC |
| 2589658 | March 18, 1952 | Semiconductor amplifier and electrode structures therefor | BARDEEN JOHN ; BRATTAIN WALTER H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590625 | March 25, 1952 | Sorting device | JR. AMOS E. JOEL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590584 | March 25, 1952 | Sea-water battery | TAYLOR RAYMOND L | BELL TELEPHONE LABOR INC |
| 2590514 | March 25, 1952 | Pulsing circuit | DEHN JOSEPH W. ; HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590500 | March 25, 1952 | Telephone ringer | BREDEHOFT HAROLD A ; RICHARDSON MAX S | BELL TELEPHONE LABOR INC |
| 2590263 | March 25, 1952 | Electrical control apparatus | MEAD EDWARD D. ; MESCH ORWAR S. A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590262 | March 25, 1952 | Trunk frame designation transfer | MCALPINE RODERICK K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590248 | March 25, 1952 | Voltage sensitive circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2590234 | March 25, 1952 | Automatic selection of receiving channels | COXHEAD HARRY B | BELL TELEPHONE LABOR INC |
| 2590228 | March 25, 1952 | Method of adjusting polar relays | BROWN JOHN T L | BELL TELEPHONE LABOR INC |
| 2591580 | April 1, 1952 | Special trunk circuits for transmitting tones to calling subscribers | JOSEPH MICHAL | BELL TELEPHONE LABOR INC |
| 2591579 | April 1, 1952 | Permanent-signal indicating system | JOSEPH MICHAL | BELL TELEPHONE LABOR INC |
| 2591032 | April 1, 1952 | Methods for growing ethylenediamine tartrate crystals | WALKER ALBERT C | BELL TELEPHONE LABOR INC |
| 2590996 | April 1, 1952 | Relay | MILOCHE HERMAN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590945 | April 1, 1952 | Trunk circuit | CURTIS ROBERT B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2590885 | April 1, 1952 | Spaced-pulse impulse sender | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2592308 | April 8, 1952 | Nonlinear pulse code modulation system | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2592228 | April 8, 1952 | Decoder for pulse code modulation receivers | JR. EDGAR W. ADAMS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2591856 | April 8, 1952 | Pulse echo distance indicator | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2591842 | April 8, 1952 | Electron discharge apparatus | LLEWELLYN FREDERICK B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2593330 | April 15, 1952 | Variable frequency relaxation oscillator | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2593234 | April 15, 1952 | Cavity resonator | WILSON IRA G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2593155 | April 15, 1952 | Cavity resonator | KINZER JOHN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2593113 | April 15, 1952 | Regenerative frequency shifting and pulse shaping circuit | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2593109 | April 15, 1952 | Cold cathode gaseous discharge device | CRAFT CLIFFORD J | BELL TELEPHONE LABOR INC |
| 2593095 | April 15, 1952 | Cavity resonator mode suppression means | BREHM HAROLD B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2592729 | April 15, 1952 | Method of etching ethylene diamine tartrate crystals | PENNELL EVERETT S | BELL TELEPHONE LABOR INC |
| 2592721 | April 15, 1952 | Filter using magnetostrictive rings | MOTT EDWARD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2592716 | April 15, 1952 | Self-correcting amplifier | LEWIS WILLARD D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2592683 | April 15, 1952 | Storage device utilizing semiconductor | FRANK GRAY | BELL TELEPHONE LABOR INC |
| 2592652 | April 15, 1952 | Magnetic transducer head | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2592615 | April 15, 1952 | Current supply apparatus | STONE JOHN R | BELL TELEPHONE LABOR INC |
| 2592549 | April 15, 1952 | Anode structure for electron discharge devices | EKSTRAND STURE O. ; RONCI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594087 | April 22, 1952 | Radio receiver selection system | SOFFEL ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594078 | April 22, 1952 | Electronic marker for cathode-ray indicator tubes | SCOVILLE RAY R | BELL TELEPHONE LABOR INC |
| 2594019 | April 22, 1952 | Current supply apparatus | HOLMAN ERWIN W | BELL TELEPHONE LABOR INC |
| 2594014 | April 22, 1952 | Crossbar tandem office for step-bystep telephone areas | HAINES WILLIAM T ; NEWSOM JAMES B | BELL TELEPHONE LABOR INC |
| 2593695 | April 22, 1952 | Analyzer for determining the fundamental frequency of a complex wave | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2593694 | April 22, 1952 | Wave analyzer for determining fundamental frequency of a complex wave | EUGENE PETERSON | BELL TELEPHONE LABOR INC |
| 2593463 | April 22, 1952 | Frequency stabilized microwave oscillator | KINZER JOHN P | BELL TELEPHONE LABOR INC |
| 2595208 | April 29, 1952 | Transistor pulse divider | BANGERT JOHN T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595163 | April 29, 1952 | Electronic voltmeter test circuit for measuring high-resistance leaks | EDWARD NIEDERAU WILLIAM ; RITCHIE JR DAVID ; WRIGHT PAUL L | BELL TELEPHONE LABOR INC |
| 2595106 | April 29, 1952 | Recording telephone system | SCUDDER FREDERICK J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594993 | April 29, 1952 | Telegraph hub electronic loop repeater circuit | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2594949 | April 29, 1952 | Preset type impulse-sender | MADDEN JAMES J | BELL TELEPHONE LABOR INC |
| 2594923 | April 29, 1952 | Call data recording telephone system | HERSEY RALPH E ; EDWARD VROOM | BELL TELEPHONE LABOR INC |
| 2594897 | April 29, 1952 | Cathode structure for electron discharge tubes | FIELD LESTER M | BELL TELEPHONE LABOR INC |
| 2594890 | April 29, 1952 | Contact protection arrangement | ELLWOOD WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594530 | April 29, 1952 | Amplifying system | YOUNG CLARENCE H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594505 | April 29, 1952 | Calling line identification and registering system | SEUDDER FREDERICK J ; EDWARD VROOM | BELL TELEPHONE LABOR INC |
| 2594495 | April 29, 1952 | Magnetic recording system for call data in automatic telephony | RETALLACK JOHN B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594449 | April 29, 1952 | Transistor switching device | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594409 | April 29, 1952 | Directive antenna | FELDMAN CARL B. H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594389 | April 29, 1952 | Double-lockout interconnecting system | BRUCE EDMOND | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594336 | April 29, 1952 | Electrical counter circuit | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2594325 | April 29, 1952 | Spaced pulse impulse sender | LOVELL CLARENCE A | BELL TELEPHONE LABOR INC |
| 2594300 | April 29, 1952 | Spaced-pulse type impulse sender | DUNLAP KERMIT S. ; LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595944 | May 6, 1952 | Reverting call circuits | HERSEY RALPH E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595701 | May 6, 1952 | Recording system | POTTER RALPH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595691 | May 6, 1952 | Signal responsive circuit | MORTON JACK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595680 | May 6, 1952 | Constant resistance pseudohybrid channel branching microwave filters | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2595670 | May 6, 1952 | Reflecting surface bonded to a film | GOEHNER WILLIAM R | BELL TELEPHONE LABOR INC |
| 2595667 | May 6, 1952 | Sweep circuit | GAINES WILBUR L | BELL TELEPHONE LABOR INC |
| 2595662 | May 6, 1952 | Automatic volume control for oscillators | HOUGHTON EDWARD W | BELL TELEPHONE LABOR INC |
| 2595652 | May 6, 1952 | Coupled cavity resonator | FISK JAMES B | BELL TELEPHONE LABOR INC |
| 2595646 | May 6, 1952 | Television test signal generator | JR. STEPHEN DOBA, ; JANSEN JOHANNES J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2595232 | May 6, 1952 | Telephone switching system employing a transistor | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2596617 | May 13, 1952 | Increasing number of holes in apertured metal screens | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2596584 | May 13, 1952 | Pulse conversion system | MICHAEL HENRY J ; WILEY WHITTNEY | BELL TELEPHONE LABOR INC |
| 2596288 | May 13, 1952 | High-frequency phase measuring system | ROBERTSON SLOAN D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2596251 | May 13, 1952 | Wave guide lens system | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2596199 | May 13, 1952 | Error correction in sequential code pulse transmission | BENNETT WILLIAM R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2597589 | May 20, 1952 | Electrooptical device | MATTHIAS BERND T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2597570 | May 20, 1952 | Variable impulse transmitter | COYNE HOWARD L | BELL TELEPHONE LABOR INC |
| 2597428 | May 20, 1952 | Checking means for pulse counting circuit | BACHELET ALBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2597071 | May 20, 1952 | Signal monitoring | CORY SAMUEL I. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2597028 | May 20, 1952 | Semiconductor signal translating device | PFANN WILLIAM G | BELL TELEPHONE LABOR INC |
| 2598318 | May 27, 1952 | Method of thickening relatively thin apertured metallic screens | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2598317 | May 27, 1952 | Preparation of two-sided mosaic screens | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2598221 | May 27, 1952 | Power amplifier circuit | BURTON EVERETT T | BELL TELEPHONE LABOR INC |
| 2597898 | May 27, 1952 | Automatic impulse sender | PARKINSON DAVID B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2599409 | June 3, 1952 | Sender test circuit | PARKS CHARLES O | BELL TELEPHONE LABOR INC |
| 2599392 | June 3, 1952 | Recording device | KILLE LINDLEY A | BELL TELEPHONE LABOR INC |
| 2599368 | June 3, 1952 | Beam switching system | EDMOND BRUCE ; LEO GROSS | BELL TELEPHONE LABOR INC |
| 2599358 | June 3, 1952 | Call data recording automatic telephone system | CAHILL HAROLD D. ; CARPENTER WARREN W. ; DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2599357 | June 3, 1952 | Automatic telephone billing system | BROOKS CHESTER E ; CARPENTER WARREN W | BELL TELEPHONE LABOR INC |
| 2599097 | June 3, 1952 | Radiotelephone station identifying system | ENTZ FERDINAND S. ; SOFFEL ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2598707 | June 3, 1952 | Electrical device embodying ferroelectric substance | MATTHIAS BERND T | BELL TELEPHONE LABOR INC |
| 2598695 | June 3, 1952 | Impulse sender with relay distributor | HILL HENRY E. ; PARKINSON DAVID B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2598677 | June 3, 1952 | Multicathode glow discharge device | DEPP WALLACE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2599763 | June 10, 1952 | Directive antenna system | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2599753 | June 10, 1952 | Wave guide phase shifter | FOX ARTHUR GARDNER | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2600560 | June 17, 1952 | Static frequency changer | MCMAHON WILLIAM T | BELL TELEPHONE LABOR INC |
| 2600502 | June 17, 1952 | Calling line and private branch exchange line identifier | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2600500 | June 17, 1952 | Semiconductor signal translating device with controlled carrier transit times | HAYNES JAMES R. ; SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2600482 | June 17, 1952 | Electric delay circuit | COLLIS RAYMOND E ; DEHN JOSEPH W | BELL TELEPHONE LABOR INC |
| 2600407 | June 17, 1952 | Protective device | KELSAY LE ROY W | BELL TELEPHONE LABOR INC |
| 2601444 | June 24, 1952 | Stabilized multivibrator oscillator | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2601403 | June 24, 1952 | Electric circuit | LACY LESTER Y | BELL TELEPHONE LABOR INC |
| 2602148 | July 1, 1952 | High-frequency amplifier | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2602919 | July 8, 1952 | Balanced parabolic modulator | DRAZY ELBERT J | BELL TELEPHONE LABOR INC |
| 2602907 | July 8, 1952 | Filament mounting for high power electron discharge devices | SHOWER EDMUND G | BELL TELEPHONE LABOR INC |
| 2602872 | July 8, 1952 | Apparatus for equipping crystals with wires | ZIEGLER ARTHUR W | BELL TELEPHONE LABOR INC |
| 2602853 | July 8, 1952 | Selective signaling system | HARRISON HENRY C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2602763 | July 8, 1952 | Preparation of semiconductive materials for translating devices | SEAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2602211 | July 8, 1952 | Rectifier and method of making it | SCAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2602180 | July 8, 1952 | Pneumatic tool for cleaning switch banks | MILLER VICTOR F | BELL TELEPHONE LABOR INC |
| 2603772 | July 15, 1952 | Modulation system | FIELD LESTER M | BELL TELEPHONE LABOR INC |
| 2603718 | July 15, 1952 | Impulse-sender | LOVELL CLARENCE A ; PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2603715 | July 15, 1952 | Pulse position call or dial receiver | VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2603694 | July 15, 1952 | Semiconductor signal translating device | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2603693 | July 15, 1952 | Semiconductor signal translating device | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2603692 | July 15, 1952 | Rectifier and method of making it | SCAFF JACK H ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2604619 | July 22, 1952 | Voltage regulation | STONE JOHN R | BELL TELEPHONE LABOR INC |
| 2604596 | July 22, 1952 | Bombardment induced conductivity in solid insulators | AHEARN ARTHUR J | BELL TELEPHONE LABOR INC |
| 2604543 | July 22, 1952 | Equalizer circuit | GOODALE JR WALTER D | BELL TELEPHONE LABOR INC |
| 2604540 | July 22, 1952 | Calling line identification for automatic ticketing systems | BLAKE FOSTER B | BELL TELEPHONE LABOR INC |
| 2605361 | July 29, 1952 | Differential quantization of communication signals | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2605347 | July 29, 1952 | Telegraph concentration board spare communication circuit | PURVIS MATTHEW R | BELL TELEPHONE LABOR INC |
| 2605323 | July 29, 1952 | Wave transmission | SAMUEL ARTHUR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2606314 | August 5, 1952 | Regulated rectifier | POTTER JAMES A | BELL TELEPHONE LABOR INC |
| 2606309 | August 5, 1952 | Glow discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607030 | August 12, 1952 | Current regulation | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2607021 | August 12, 1952 | Gas filled discharge device | GUGELBERG HANS L. VON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607015 | August 12, 1952 | Multicathode glow discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2606960 | August 12, 1952 | Semiconductor translating device | LITTLE JOHN B | BELL TELEPHONE LABOR INC |
| 2606817 | August 12, 1952 | Preparation of microphonic carbon | CLIFFORD E MITCHELL | BELL TELEPHONE LABOR INC |
| 2606443 | August 12, 1952 | Exploration of troposphere stratification | GILMAN GEORGE W | BELL TELEPHONE LABOR INC |
| 2606405 | August 12, 1952 | Polishing means and method | OHL RUSSELL S | BELL TELEPHONE LABOR INC |
| 2607916 | August 19, 1952 | Light controlled channel deviation indicator | ALBERSHEIM WALTER J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607902 | August 19, 1952 | Gaseous discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607901 | August 19, 1952 | Electronic discharge device | JR. GEORGE H. ROCKWOOD, ; VANCE ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607892 | August 19, 1952 | Timing circuit | MARMONT GEORGE H ; OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2607891 | August 19, 1952 | Translating circuits utilizing glow discharge devices | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607887 | August 19, 1952 | Radio telephone system | GISSLER FRANK E. ; LAIDIG JOHN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607859 | August 19, 1952 | Telephone transmitter | BRYANT HERBERT W | BELL TELEPHONE LABOR INC |
| 2607843 | August 19, 1952 | Remote control and supervisory system | HEARN RICHARD B ; PRUDEN HAROLD M | BELL TELEPHONE LABOR INC |
| 2607272 | August 19, 1952 | Composite wave plate for light | BOND WALTER L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2607092 | August 19, 1952 | Clamp for cylindrical objects | RUBLY HARRY C | BELL TELEPHONE LABOR INC |
| 2608681 | August 26, 1952 | Voltage regulation | STEVENS BRUCE E | BELL TELEPHONE LABOR INC |
| 2608674 | August 26, 1952 | Multicathode glow discharge device | DEPP WALLACE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2608623 | August 26, 1952 | Wave transmission amplifier | CUTLER CASSIUS C ; MATHEWS WARREN E | BELL TELEPHONE LABOR INC |
| 2608621 | August 26, 1952 | Magnetic record detector | PETERSON EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2608616 | August 26, 1952 | Facsimile system | PFLEGER KENNETH W | BELL TELEPHONE LABOR INC |
| 2608611 | August 26, 1952 | Selenium rectifier including tellurium and method of making it | SHIVE JOHN N | BELL TELEPHONE LABOR INC |
| 2609436 | September 2, 1952 | Partition | SERMEUS WILLIAM T | BELL TELEPHONE LABOR INC |
| 2609435 | September 2, 1952 | Test set for measuring the angle represented by synchro voltages | GERTH JOHN H | BELL TELEPHONE LABOR INC |
| 2609256 | September 2, 1952 | Ball bearing | BAKER WILLIAM O ; WINSLOW FIELD H | BELL TELEPHONE LABOR INC |
| 2609171 | September 2, 1952 | Shock mount for relays | KNAPP HARRY M ; ZUPA FRANK A | BELL TELEPHONE LABOR INC |
| 2608920 | September 2, 1952 | Camera | SMITH HOWARD J | BELL TELEPHONE LABOR INC |
| 2610295 | September 9, 1952 | Pulse code modulation communication system | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2612633 | September 30, 1952 | Multiplex converter | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2612566 | September 30, 1952 | Magnetic recording and reproducing system | ANDERSON JOHN R ; KELLER ARTHUR C | BELL TELEPHONE LABOR INC |
| 2612561 | September 30, 1952 | Half-duplex telegraph repeater | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2614222 | October 14, 1952 | Wave generating circuits | SKELLETT ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2614211 | October 14, 1952 | Frequency controlled radio relaying system | GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2614176 | October 14, 1952 | Electronic induction number group translator | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2614175 | October 14, 1952 | Translating and selecting system | DIMOND THOMAS L | BELL TELEPHONE LABOR INC |
| 2614168 | October 14, 1952 | Signal transmitter | EDWARD VROOM | BELL TELEPHONE LABOR INC |
| 2614152 | October 14, 1952 | Dielectric test circuit | HERBORN LUDWIG E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2614141 | October 14, 1952 | Counting circuit | EDSON JAMES O. ; JR. JOHN G. KREER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2615971 | October 28, 1952 | Pulse position dial receiver employing pulse superposition for identifying digits | MALTHANER WILLIAM A. ; NEWBY NEAL D. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2615961 | October 28, 1952 | Magnetic testing system | MEANS WINTHROP J | BELL TELEPHONE LABOR INC |
| 2615955 | October 28, 1952 | Impregnated electrical condenser | MCLEAN DAVID A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2615857 | October 28, 1952 | Polyethylene-polyisobutylene composition | CLARKE WALTER J | BELL TELEPHONE LABOR INC |
| 2615628 | October 28, 1952 | Automatic accounting device | HAGUE ALFRED E | BELL TELEPHONE LABOR INC |
| 2617094 | November 4, 1952 | Object location system | TINUS WILLIAM C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617087 | November 4, 1952 | Current supply apparatus | MESZAROS GEORGE W | BELL TELEPHONE LABOR INC |
| 2616993 | November 4, 1952 | Pretensioned spring | KOEHLER DONALD C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2616979 | November 4, 1952 | Audible alarm for telephone systems | SLEZAK STANLEY T | BELL TELEPHONE LABOR INC |
| 2616974 | November 4, 1952 | Register control of coin return | DEHN JOSEPH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2616971 | November 4, 1952 | Automatic volume control | KANNENBERG WALTER F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2616627 | November 4, 1952 | Counter circuit | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2616625 | November 4, 1952 | Electrical computing system | GRIEST RAYMOND H. ; WOOLDRIDGE DEAN E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617981 | November 11, 1952 | Coder for pulse code modulation systems | FRANK GRAY | BELL TELEPHONE LABOR INC |
| 2617980 | November 11, 1952 | Coder for pulse code modulation systems | GRAY FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617959 | November 11, 1952 | Electron discharge device | FAY CLIFFORD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617885 | November 11, 1952 | Frequency changing regenerative pulse repeater | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617881 | November 11, 1952 | Pseudohybrid microwave filter | LEWIS WILLARD D. ; PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617865 | November 11, 1952 | Semiconductor amplifier and electrode structures therefor | BARDEEN JOHN ; BRATTAIN WALTER H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617855 | November 11, 1952 | Automatic measurement of transmission characteristics | JR. HARRY A. ETHERIDGE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617853 | November 11, 1952 | Method of and system for measuring impedance mismatch | GILMER PETER E | BELL TELEPHONE LABOR INC |
| 2617843 | November 11, 1952 | Apparatus for power measurements at high frequencies | HOUGHTON EDWARD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2617289 | November 11, 1952 | Key actuated double custody lock | SHANN OSCAR A | BELL TELEPHONE LABOR INC |
| 2618767 | November 18, 1952 | Multicathode gaseous discharge device | GUGELBERG HANS L. VON | BELL TELEPHONE LABORATORY, INCORPORATED |
| 2618686 | November 18, 1952 | Distortion indicator | LANGE OWEN E. DE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619631 | November 25, 1952 | Regulating apparatus | HAMILTON BILLY H ; SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2619630 | November 25, 1952 | Regulating apparatus | STONE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619626 | November 25, 1952 | Current supply apparatus | ANDERSON FREDERIC W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619549 | November 25, 1952 | Toll supervisory operator's telephone circuit | BUCHANAN RUSSELL B | BELL TELEPHONE LABOR INC |
| 2619546 | November 25, 1952 | Party line identification system | MYERS OSCAR | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619545 | November 25, 1952 | Telephone calling line identification and recording system | HERSEY RALPH E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619543 | November 25, 1952 | Frequency changing pulse repeater employing phase modulation | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619528 | November 25, 1952 | Selective signaling system | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619518 | November 25, 1952 | Cable terminal | KELSAY LE ROY W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619414 | November 25, 1952 | Surface treatment of germanium circuit elements | HEIDENREICH ROBERT D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2619178 | November 25, 1952 | Precautionary circuit | EPPEL SIMEON L | BELL TELEPHONE LABOR INC |
| 2620448 | December 2, 1952 | Transistor trigger circuits | JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2620402 | December 2, 1952 | Telephone substation circuit with automatic compensation for length of line | NELSON BOTSFORD ; BOYSEN JR ALBERT P ; AIKENS ANDREW J ; GOODALE JR WALTER D ; INGLIS ALFRED H | BELL TELEPHONE LABOR INC |
| 2620399 | December 2, 1952 | Telephone switching system employing repetitive impulsing | MALTHANER WILLIAM A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2621295 | December 9, 1952 | Electrical wave producing circuit | LACY LESTER Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2622213 | December 16, 1952 | Transistor circuit for pulse amplifier delay and the like | HARRIS JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2622212 | December 16, 1952 | Bistable circuit | ANDERSON ALVA EUGENE ; TRENT ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2622211 | December 16, 1952 | Stabilized transistor trigger circuit | TRENT ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2622127 | December 16, 1952 | Indicating apparatus | ALSBERG DIETRICH A. ; MUHLSTEFF ROBERT P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2623198 | December 23, 1952 | Tunable magnetron | HEBENSTREIT WILLIAM B | BELL TELEPHONE LABOR INC |
| 2623123 | December 23, 1952 | Carrier telegraph system | MATTE ANDREW L | BELL TELEPHONE LABOR INC |
| 2623120 | December 23, 1952 | Microwave filter | ZOBEL OTTO J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2623114 | December 23, 1952 | Pulse counting and registering circuits | LOW FRANK K | BELL TELEPHONE LABOR INC |
| 2623108 | December 23, 1952 | Fault signaling system | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2623105 | December 23, 1952 | Semiconductor translating device having controlled gain | SHOCKLEY WILLIAM ; SPARKS MORGAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2623103 | December 23, 1952 | Semiconductor signal translating device | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2623102 | December 23, 1952 | Circuit element utilizing semiconductive materials | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2622272 | December 23, 1952 | Method and apparatus for beading silver chloride sheets | HARING HORACE E ; TAYLOR RAYMOND L | BELL TELEPHONE LABOR INC |
| 2622271 | December 23, 1952 | Machine for beading silver chloride plates | GENT EDGAR W ; WERRING WALTER W | BELL TELEPHONE LABOR INC |
| 2624036 | December 30, 1952 | Circuit protection apparatus | SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2624805 | January 6, 1953 | Telegraph signal distortion measuring apparatus | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625614 | January 13, 1953 | Envelope delay scanning system | SCHELLENG JOHN C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625610 | January 13, 1953 | Relay permutation-type switching system | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2625606 | January 13, 1953 | Thermistor control circuit | EMORY LAKATOS ; BROCKWAY MCMILLAN | BELL TELEPHONE LABOR INC |
| 2625604 | January 13, 1953 | Quantized pulse transmission with few amplitude steps | EDSON JAMES O | BELL TELEPHONE LABOR INC |
| 2625589 | January 13, 1953 | System for measuring phase and gain | HOUGHTON EDWARD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625587 | January 13, 1953 | Automatic bridge | KEMPF RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625586 | January 13, 1953 | Apparatus for measuring gas pressures | LANDER JAMES J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625577 | January 13, 1953 | Switchboard plug | WIER ANTHONY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625328 | January 13, 1953 | Automatic code translating system | CESAREO ORFEO | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2625233 | January 13, 1953 | Method of fitting hearing aids | CURRY ROBERT O L | BELL TELEPHONE LABOR INC |
| 2627053 | January 27, 1953 | Cold cathode gaseous discharge devices and circuits therefor | TOWNSEND MARK A | BELL TELEPHONE LABOR INC |
| 2627039 | January 27, 1953 | Gating circuits | JR. WALTER H. MACWILLIAMS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2627027 | January 27, 1953 | Nonreflective radio refractor | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2626994 | January 27, 1953 | Multiplex telegraph system | ALLAN WEAVER | BELL TELEPHONE LABOR INC |
| 2626992 | January 27, 1953 | Signal delay device | HOLMAN ERWIN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2626990 | January 27, 1953 | Guided wave frequency range transducer | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2626983 | January 27, 1953 | Magnetic testing apparatus | LAVERY GRANT G | BELL TELEPHONE LABOR INC |
| 2626448 | January 27, 1953 | Apparatus for and method of treating selenium rectifiers | SHIVE JOHN N | BELL TELEPHONE LABOR INC |
| 2627575 | February 3, 1953 | Semiconductor translating device | MEACHAM LARNED A. ; MICHAELS SIMON EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2627574 | February 3, 1953 | Radio repeater having a pulse regenerator | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2627550 | February 3, 1953 | Adjustable impedance transformer | ROSE CHARLES F P | BELL TELEPHONE LABOR INC |
| 2627541 | February 3, 1953 | Determination of pitch frequency of complex wave | MILLER RALPH L | BELL TELEPHONE LABOR INC |
| 2628340 | February 10, 1953 | Voltage and current regulation | POTTER JAMES A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2628283 | February 10, 1953 | Semiautomatic telephone switching system arranged for selective alternating current or direct current key pulsing | BURTON MCKIM | BELL TELEPHONE LABOR INC |
| 2627780 | February 10, 1953 | Optical projecting comparator | WADDELL JOHN H | BELL TELEPHONE LABOR INC |
| 2627769 | February 10, 1953 | Swaging pliers for electrical connections | ANDERSON FRED A ; BLATTNER DAVID G ; MILLER VICTOR F | BELL TELEPHONE LABOR INC |
| 2629024 | February 17, 1953 | Unbalanced-to-ground two-to-fourwire connection | EDWARDS PAUL G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629021 | February 17, 1953 | Coordinate switching and lock-out circuit in interpolated speech receiving system | ROBERTSON DONALD D. ; WURMSER ALPHONS V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629020 | February 17, 1953 | Coordinate selecting and lock-out circuit for interpolated speech transmission | ROBERTSON DONALD D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629017 | February 17, 1953 | Speech transmission system | DAHLBOM CARL A ; ALLAN WEAVER | BELL TELEPHONE LABOR INC |
| 2629016 | February 17, 1953 | Automatic toll-ticketing system | GOODERHAM JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629011 | February 17, 1953 | Television system having reduced transmission bandwidth | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629010 | February 17, 1953 | Television system having reduced transmission bandwidth | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629006 | February 17, 1953 | Amplifier circuit having a reactive load | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2628936 | February 17, 1953 | Method of forming a point at the end of a wire | ALBANO VINCENT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2628550 | February 17, 1953 | Ventilator for telephone booths | KING JOHN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629842 | February 24, 1953 | Constant voltage glow discharge control device | TOWNSEND MARK A | BELL TELEPHONE LABOR INC |
| 2629841 | February 24, 1953 | Transversal electric wave filter | PETERSON LISS C | BELL TELEPHONE LABOR INC |
| 2629834 | February 24, 1953 | Gate and trigger circuits employing transistors | TRENT ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629833 | February 24, 1953 | Transistor trigger circuits | TRENT ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629800 | February 24, 1953 | Semiconductor signal translating device | PEARSON GERALD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629783 | February 24, 1953 | Telephone circuit | HOPKINS HARRIS F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629782 | February 24, 1953 | Reduction of phase distortion | RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629779 | February 24, 1953 | Signal transmission system | KOENIG JR WALTER | BELL TELEPHONE LABOR INC |
| 2629778 | February 24, 1953 | Visual representation of complex waves | POTTER RALPH K | BELL TELEPHONE LABOR INC |
| 2629773 | February 24, 1953 | Phase adjuster | HALL NATHAN I. ; WARREN CLIFFORD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629772 | February 24, 1953 | Reduction of phase distortion | RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629771 | February 24, 1953 | Band-width reduction system | ANDERSON ALVA EUGENE ; SEARS RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2629672 | February 24, 1953 | Method of making semiconductive translating devices | SPARKS MORGAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2630564 | March 3, 1953 | Common timing circuit | GIBSON EARL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2630506 | March 3, 1953 | Relay | BUCH PETER E | BELL TELEPHONE LABOR INC |
| 2630489 | March 3, 1953 | Wave guide joint | BECK ALFRED C ; FRIIS HARALD T | BELL TELEPHONE LABOR INC |
| 2630486 | March 3, 1953 | Low-frequency restoration circuit | RIEKE JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2630482 | March 3, 1953 | Tuned vibrating reed selective circuit | BOSTWICK LEE G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2630465 | March 3, 1953 | Control for stepping mechanism | BROWN HENRY B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2630270 | March 3, 1953 | Automatic accounting device | JR. AMOS E. JOEL, ; RIPPERE ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2631118 | March 10, 1953 | Method of producing soft magnetic materials | BOOTHBY OTIS L. ; JR. DANIEL H. WENNY, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632147 | March 17, 1953 | Communication system employing pulse code modulation | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632146 | March 17, 1953 | Transistor frequency modulation | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632101 | March 17, 1953 | Reduction of noise in transmission systems | QUARLES DONALD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632062 | March 17, 1953 | Semiconductor transducer | MONTGOMERY HAROLD C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632058 | March 17, 1953 | Pulse code communication | GRAY FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632057 | March 17, 1953 | Signal transmission | JR. WALTER KOENIG, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2632052 | March 17, 1953 | Transmission control in two-way signaling system | GARFIELD OWEN R | BELL TELEPHONE LABOR INC |
| 2632051 | March 17, 1953 | Balancing network for loaded transmission lines | MERRILL JR JOSIAH L | BELL TELEPHONE LABOR INC |
| 2632048 | March 17, 1953 | Light valve for television systems | MASON WARREN P. | BELL TELEPHONE LABORATRIES, INCORPORATED |
| 2631945 | March 17, 1953 | Cold cathode and method of preparing same | MORRISON JR JAMES | BELL TELEPHONE LABOR INC |
| 2633550 | March 31, 1953 | Multicathode gaseous discharge device | STIERITZ WILLIAM G | BELL TELEPHONE LABOR INC |
| 2633534 | March 31, 1953 | Variable frequency oscillator | ANDERSON FRITHIOF B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2633521 | March 31, 1953 | High-temperature coefficient resistor and method of making it | BECKER JOSEPH A. ; CHRISTENSEN HOWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2633502 | March 31, 1953 | Mechanical communication switchboard | CARPENTER WARREN W ; MURPHY PAUL B | BELL TELEPHONE LABOR INC |
| 2633498 | March 31, 1953 | Selecting and two-way translating system | SCHNECKLOTH HARRY H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2633495 | March 31, 1953 | Electronic code pulse receiving circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2633492 | March 31, 1953 | Guided wave frequency range, frequency selective and equalizing structure | RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2633159 | March 31, 1953 | Method of fabricating cathode assemblies | SHOWER EDMUND G | BELL TELEPHONE LABOR INC |
| 2634413 | April 7, 1953 | Velocity measuring system utilizing radio technique | POTTER RALPH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2634384 | April 7, 1953 | Thermal structure for electron discharge devices | FORD GAYLON T. ; WALSH EDWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2634366 | April 7, 1953 | Light repeater for pulse communication systems | SCHIMPF LUTHER G | BELL TELEPHONE LABOR INC |
| 2634333 | April 7, 1953 | Telegraph hub repeater circuit | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2634028 | April 7, 1953 | Mercury dispenser | BROWN JOHN T L | BELL TELEPHONE LABOR INC |
| 2635230 | April 14, 1953 | Linear dial call transmitter | MADDEN JAMES J | BELL TELEPHONE LABOR INC |
| 2635207 | April 14, 1953 | Electron discharge device of the cavity resonator type | GODDARD CHARLES T | BELL TELEPHONE LABOR INC |
| 2635206 | April 14, 1953 | Generation of microwaves | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2635146 | April 14, 1953 | Speech analyzing and synthesizing communication system | STEINBERG JOHN C | BELL TELEPHONE LABOR INC |
| 2635139 | April 14, 1953 | Teletypewriter switching system | BRANSON DAVID E ; LOCKE GEORGE A | BELL TELEPHONE LABOR INC |
| 2634910 | April 14, 1953 | Computing circuits for automatic billing systems | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2636159 | April 21, 1953 | Pulse code modulation communication system | CARBREY ROBERT L | BELL TELEPHONE LABOR INC |
| 2636149 | April 21, 1953 | Motor control system | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636135 | April 21, 1953 | Stress-coupled core and crystal transformer | JR. ROBERT L. PEEK, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636133 | April 21, 1953 | Diode gate | HUSSEY LUTHER W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636128 | April 21, 1953 | Photoelectric device | VANCE ROBERT L | BELL TELEPHONE LABOR INC |
| 2636125 | April 21, 1953 | Selective electromagnetic wave system | SOUTHWORTH GEORGE C | BELL TELEPHONE LABOR INC |
| 2636116 | April 21, 1953 | Microwave circuit stabilization means | TAYLOR EDMUND R | BELL TELEPHONE LABOR INC |
| 2636081 | April 21, 1953 | Supervisory circuits for pulse code modulation | FELDMAN CARL B. H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636080 | April 21, 1953 | Balanced diode clamper circuit for low-frequency restoration | JR. STEPHEN DOBA, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636073 | April 21, 1953 | Housing for electrical circuit units | CLARKE WALTER J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636012 | April 21, 1953 | Process for making a thermistor by oxidation of a nickel manganese alloy | HOWARD CHRISTENSEN | BELL TELEPHONE LABOR INC |
| 2635975 | April 21, 1953 | Method of bonding polyethylene to vulcanized rubber and article produced thereby | HENRY PETERS | BELL TELEPHONE LABOR INC |
| 2635810 | April 21, 1953 | Multicathode gaseous discharge device and circuits | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2635807 | April 21, 1953 | Automatic accounting device | FLINT ERLON W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2637025 | April 28, 1953 | Stereoscopic object location system using radar technique | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636948 | April 28, 1953 | High-frequency amplifier | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636947 | April 28, 1953 | Two-way trunk for pulse conversion systems | MICHAEL HENRY J | BELL TELEPHONE LABOR INC |
| 2636944 | April 28, 1953 | Recording-completing cord and trunk circuits | BUCHANAN RUSSELL B | BELL TELEPHONE LABOR INC |
| 2636942 | April 28, 1953 | Hub telegraph repeater | DAVEY JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636931 | April 28, 1953 | Electric delay system | KROM MYRON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636729 | April 28, 1953 | Tape handling device | SMITH EDWARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2636285 | April 28, 1953 | Aircraft pilot trainer | FOGARTY EDWARD J. ; RIPPERE ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2637776 | May 5, 1953 | Sealed wave guide window | EDSON ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2638502 | May 12, 1953 | Solenoid delay line | PIERCE JOHN R | BELL TELEPHONE LABOR INC |
| 2639415 | May 19, 1953 | Indicator selecting and lock-in circuit | MALLERY PAUL | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2639392 | May 19, 1953 | Masking device for crystals | WARNER JR ARTHUR W | BELL TELEPHONE LABOR INC |
| 2639385 | May 19, 1953 | Alternating wave generator | AUGUSTADT HERBERT W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2639371 | May 19, 1953 | Wave-guide isolation coupling system | BABCOCK WALLACE C ; NYLUND HARRY W | BELL TELEPHONE LABOR INC |
| 2639332 | May 19, 1953 | Rotating-field pulse transmitter | PARKINSON DAVID B | BELL TELEPHONE LABOR INC |
| 2639326 | May 19, 1953 | Electromagnetic wave microwave frequency structure using hybrid junctions | RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2639325 | May 19, 1953 | Hybrid ring | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2639320 | May 19, 1953 | Telegraph trunk and control circuits | GARDNER LELAND A ; REA WILTON T | BELL TELEPHONE LABOR INC |
| 2639149 | May 19, 1953 | Flexible card feed | HAMPTON LEON N. ; SALZER MARTIN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2639092 | May 19, 1953 | Automatic message accounting system | RETALLACK JOHN B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2640162 | May 26, 1953 | Electronic transmission system | ESPENSCHIED LLOYD ; SKELLETT ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2640154 | May 26, 1953 | Achromatic lens antenna | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2640137 | May 26, 1953 | Temperature control system | KETCHLEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2640105 | May 26, 1953 | Wave transmission system and method for synthesizing a given electrical characteristic | BENNETT WILLIAM R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2640094 | May 26, 1953 | Monitor system insensitive to impedance variations | GANNETT DANFORTH K | BELL TELEPHONE LABOR INC |
| 2640020 | May 26, 1953 | Formation of a surface easily wettable by mercury | POLLARD JR CHARLES E | BELL TELEPHONE LABOR INC |
| 2641757 | June 9, 1953 | Automatic multichannel selection | HOTH DANIEL F ; SOFFEL ROBERT O | BELL TELEPHONE LABOR INC |
| 2641732 | June 9, 1953 | Electron discharge device of the velocity variation type | SHEPHERD WILLIAM G | BELL TELEPHONE LABOR INC |
| 2641726 | June 9, 1953 | Electron discharge device and method of fabrication | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2641713 | June 9, 1953 | Semiconductor photoelectric device | SHIVE JOHN N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2641712 | June 9, 1953 | Photoelectric device | KIRCHER REYMOND J | BELL TELEPHONE LABOR INC |
| 2641705 | June 9, 1953 | Stabilized oscillator | HUSSEY LUTHER W | BELL TELEPHONE LABOR INC |
| 2641695 | June 9, 1953 | Linear rectifier | LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2641692 | June 9, 1953 | Mobile radio telephone system | LEWIS BENJAMIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2641553 | June 9, 1953 | Preparation of two-sided mosaic | RULISON RAYMOND L ; TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2641348 | June 9, 1953 | Fraud prevention device | JR. RICHARD K. THOMPSON, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642500 | June 16, 1953 | Voice frequency signaling circuit | FRITSCHI WALTER W. ; SOFFEL ROBERT O. ; WEAVER ALLAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642498 | June 16, 1953 | Dial telephone system-digit absorbing selector circuit | RIDDELL GEORGE ; SOUCY HAROLD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642493 | June 16, 1953 | Automatic message accounting system | LOCKE GEORGE A. ; WEAVER ALLAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642473 | June 16, 1953 | Wave translating system | JR. JOHN G. KREER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642415 | June 16, 1953 | Silyl aromatic compounds | WINSLOW FIELD H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2642281 | June 16, 1953 | Apparatus for the winding of endless bands | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2644122 | June 30, 1953 | Capacitor | BOARDMAN EDWARD M. ; WOOLEY MERWYN C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2644038 | June 30, 1953 | Keyboard mechanism for teletypewriters | BRANSON DAVID E | BELL TELEPHONE LABOR INC |
| 2644036 | June 30, 1953 | Receiver for two-tone carrier systems | JONES THEODORE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2644915 | July 7, 1953 | Selenium rectifier and method of its production | THURBER ELMER A ; WOOTEN LELAND A | BELL TELEPHONE LABOR INC |
| 2644914 | July 7, 1953 | Multicontact semiconductor translating device | KIRCHER REYMOND J | BELL TELEPHONE LABOR INC |
| 2644904 | July 7, 1953 | Crystal unit | BARRY JOSEPH F. ; RUGGLES DAVID M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2645727 | July 14, 1953 | Focusing ultrasonic radiator | WILLARD GERALD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2645700 | July 14, 1953 | Semiconductor of mixed nickel, manganese, and iron oxides | MORIN FRANCIS J | BELL TELEPHONE LABOR INC |
| 2645681 | July 14, 1953 | Telephone equalizer circuit | GREEN ESTILL I | BELL TELEPHONE LABOR INC |
| 2646523 | July 21, 1953 | Multicathode gaseous discharge device | GUGELBERG HANS L. VON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2646464 | July 21, 1953 | Polar relay biasing circuit | CALLAWAY WILLIAM B | BELL TELEPHONE LABOR INC |
| 2647212 | July 28, 1953 | Antenna system | FELDMAN CARL B. H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2647958 | August 4, 1953 | Voltage and current bias of transistors | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2647957 | August 4, 1953 | Transistor circuit | MALLINCKRODT CHARLES O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648836 | August 11, 1953 | Apparatus for generating time position dial pulses | NEWBY NEAL D. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648831 | August 11, 1953 | Selective signaling system | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648830 | August 11, 1953 | Selective plural digit indicator | MELICK JOHN M | BELL TELEPHONE LABOR INC |
| 2648823 | August 11, 1953 | Thermoelectric translation device | KOCK WINSTON E. ; SCHIMPF LUTHER G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648773 | August 11, 1953 | Polyphase oscillator | JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648765 | August 11, 1953 | Noise detection circuit | JR. WILLIAM R. YOUNG, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648589 | August 11, 1953 | Magnetic recorder | HICKMAN CLARENCE N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2648167 | August 11, 1953 | Machine for manufacturing switches | ELLWOOD WALTER B | BELL TELEPHONE LABOR INC |
| 2649578 | August 18, 1953 | Wave-guide elbow | ALBERSHEIM WALTER J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649576 | August 18, 1953 | Pseudohybrid microwave device | LEWIS WILLARD D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649574 | August 18, 1953 | Hall-effect wave translating device | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649570 | August 18, 1953 | Test equipment and method for measuring reflection coefficient | RADCLIFFE FREDERICK E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649569 | August 18, 1953 | Semiconductor magnetoresistive device | PEARSON GERALD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649568 | August 18, 1953 | Magnetometer | JR. EDWIN P. FELCH, ; MERRILL FRANCIS G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649560 | August 18, 1953 | Motor system for controlling pressure | BLAIR ROYER R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649553 | August 18, 1953 | Filamentary cathode support structure | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2649541 | August 18, 1953 | Radiant energy signaling station | MCDAVITT MARCELLUS B | BELL TELEPHONE LABOR INC |
| 2649539 | August 18, 1953 | Microwave carrier telephone system | ROBERTSON SLOAN D | BELL TELEPHONE LABOR INC |
| 2649508 | August 18, 1953 | Interstage coupling circuit for wide band amplifiers | HARRSION CHARLES W | BELL TELEPHONE LABOR INC |
| 2649504 | August 18, 1953 | Electroinc subscriber's loop telegraph repeater | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2649122 | August 18, 1953 | Motor-driven hand tool for making wrapped wire connections | MALLINA RUDOLPH F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649121 | August 18, 1953 | Tool for effecting solderless connections between a wire and a terminal | RECK FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2649027 | August 18, 1953 | Electrooptical system | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650320 | August 25, 1953 | Cold cathode electric discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650299 | August 25, 1953 | Decoder for pulse code modulation communication systems | PETERSON EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650191 | August 25, 1953 | Preparation of two-sided mosaic | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2651021 | September 1, 1953 | Fault detector | JR. JAMES B. HAYS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650991 | September 1, 1953 | Accelerometer | KETCHLEDGE RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650956 | September 1, 1953 | Amplifier utilizing deflection of an electron beam | HEISING RAYMOND A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2650789 | September 1, 1953 | Mounting for telephone apparatus | STROPNICKY JOSEPH F | BELL TELEPHONE LABOR INC |
| 2651715 | September 8, 1953 | Channel separation light filter | HINES MARION E | BELL TELEPHONE LABOR INC |
| 2651678 | September 8, 1953 | Coding and signaling system | EDWARDS PAUL G. ; WURMSER ALPHONS V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652513 | September 15, 1953 | Microwave amplifier | HOLLENBERG ARTHUR V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652512 | September 15, 1953 | Electron gun | HOLLENBERG ARTHUR V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652493 | September 15, 1953 | Unipolarized wave refractor | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652460 | September 15, 1953 | Transistor amplifier circuits | JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652449 | September 15, 1953 | Motional correlation in reduced band width television | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652307 | September 15, 1953 | Support structure | HARAZIM STANLEY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2652116 | September 15, 1953 | Perforating system | MALLINA RUDOLPH F ; MELICK JOHN M | BELL TELEPHONE LABOR INC |
| 2651833 | September 15, 1953 | Method of mounting apparatus | KERNAHAN JOHN J J | BELL TELEPHONE LABOR INC |
| 2651831 | September 15, 1953 | Semiconductor translating device | BOND WALTER L ; MORGAN SPARKS ; TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2653253 | September 22, 1953 | Power supply system | LANGABEER HARVEY T | BELL TELEPHONE LABOR INC |
| 2653252 | September 22, 1953 | Voltage regulator | OSTENDORF JR BERNARD | BELL TELEPHONE LABOR INC |
| 2653207 | September 22, 1953 | Adjustable potentiometer termination | COYNE HOWARD L ; MESCH ORWAR S A | BELL TELEPHONE LABOR INC |
| 2653199 | September 22, 1953 | Relay | BROWN JOHN T. L. ; ELLWOOD WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2654059 | September 29, 1953 | Semiconductor signal translating device | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2654878 | October 6, 1953 | Cathode-ray translating system for permutation codes | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2654804 | October 6, 1953 | Power line carrier telephone system | EDSON ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2654797 | October 6, 1953 | Teletypewriter switching system | KNANDEL GEORGE J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655646 | October 13, 1953 | Supervisory alarm system | CALLAHAN VINCENT T ; FRY LLOYD D | BELL TELEPHONE LABOR INC |
| 2655625 | October 13, 1953 | Semiconductor circuit element | BURTON EVERETT T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655610 | October 13, 1953 | Semiconductor signal translating device | EBERS JEWELL J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655609 | October 13, 1953 | Bistable circuits, including transistors | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655608 | October 13, 1953 | Semiconductor circuit controlling device | VALDES LEOPOLDO B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655603 | October 13, 1953 | Power supply apparatus for alternately supplying a load | CALLAHAN VINCENT T ; FRY LLOYD D | BELL TELEPHONE LABOR INC |
| 2655559 | October 13, 1953 | High-speed electronic telephone switching system | MALTHANER WILLIAM A. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656532 | October 20, 1953 | Radar system | CRUMP ELMO E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656513 | October 20, 1953 | Wave guide transducer | KING ARCHIE P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656506 | October 20, 1953 | Measuring circuit | BOLLMAN JOHN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656496 | October 20, 1953 | Semiconductor translating device | SPARKS MORGAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656489 | October 20, 1953 | Electron discharge device and processing thereof | FORD GAYLON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656487 | October 20, 1953 | Voltage supply control circuit | FULLERTON WILLIAM O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656473 | October 20, 1953 | Crystal unit for use at high temperatures | JR. ARTHUR W. WARNER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656460 | October 20, 1953 | Bidirectional counter | MCMILLAN BROCKWAY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2656404 | October 20, 1953 | Laminated ring lead-in for electron discharge devices | WALSH EDWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2655953 | October 20, 1953 | Wire connecting tool | MILOCHE HERMAN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657378 | October 27, 1953 | Pulse translation apparatus | GRAY FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657377 | October 27, 1953 | Reproduction of signals from magnetic records | FRANK GRAY | BELL TELEPHONE LABOR INC |
| 2657360 | October 27, 1953 | Four-electrode transistor modulator | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2657336 | October 27, 1953 | Communication signal lamp control circuit | OSTENDORF JR BERNARD ; VANDERLIPPE RICHARD A | BELL TELEPHONE LABOR INC |
| 2657334 | October 27, 1953 | Tunable magnetron | WEST JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657320 | October 27, 1953 | Piezoelectric crystal unit | ZIEGLER ARTHUR W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657318 | October 27, 1953 | Electronic switch | RACK ALOIS J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657309 | October 27, 1953 | Storage device utilizing semiconductor | GRAY FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657275 | October 27, 1953 | Crossbar switch | MOGLER JOHN H | BELL TELEPHONE LABOR INC |
| 2657274 | October 27, 1953 | Telephone system | HERSEY RALPH E | BELL TELEPHONE LABOR INC |
| 2657273 | October 27, 1953 | Sender overload control | MALONEY MARTIN E | BELL TELEPHONE LABOR INC |
| 2657272 | October 27, 1953 | Electronic induction translator | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657271 | October 27, 1953 | Line identification trouble indicator | HENRY ISRAEL H | BELL TELEPHONE LABOR INC |
| 2657268 | October 27, 1953 | System for automatically ticketing telephone calls | RETALLACK JOHN B | BELL TELEPHONE LABOR INC |
| 2657266 | October 27, 1953 | Automatic multichannel selection | HOTH DANIEL F. ; SOFFEL ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657264 | October 27, 1953 | Automatic volume control | AUGUSTADT HERBERT W | BELL TELEPHONE LABOR INC |
| 2657261 | October 27, 1953 | Error-indicating code mechanism | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657256 | October 27, 1953 | Color television system | WINTRINGHAM WILLIAM T | BELL TELEPHONE LABOR INC |
| 2657255 | October 27, 1953 | Color television system | WINTRINGHAM WILLIAM T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2657254 | October 27, 1953 | Color television system | WINTRINGHAM WILLIAM T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658194 | November 3, 1953 | Audible signal for field telephone sets | WALTER KALIN ; POWER JAMES R | BELL TELEPHONE LABOR INC |
| 2658193 | November 3, 1953 | Clapper and gong assembly for telephone ringers | JENKINS REGINALD T | BELL TELEPHONE LABOR INC |
| 2658189 | November 3, 1953 | Signaling system based on orthogonal functions | LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658188 | November 3, 1953 | Pulse position dialing system with direct time measuring apparatus | MALTHANER WILLIAM A. ; NEWBY NEAL D. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658186 | November 3, 1953 | Prismatic directional and object locating system | MASON WARREN P | BELL TELEPHONE LABOR INC |
| 2658166 | November 3, 1953 | Multicathode glow discharge device | DEPP WALLACE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658114 | November 3, 1953 | Magnetic recording-reproducing device | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658108 | November 3, 1953 | Crossbar tandem office for telephone systems | HAINES WILLIAM T ; NEWSOM JAMES B | BELL TELEPHONE LABOR INC |
| 2659057 | November 10, 1953 | Inductance coil | LEGG VICTOR E ; OWENS CONRAD D | BELL TELEPHONE LABOR INC |
| 2658997 | November 10, 1953 | Pulse regenerator | CARBREY ROBERT L. ; CUTLER CASSIUS C. ; FELDMAN CARL B. H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658959 | November 10, 1953 | High efficiency radio-frequency power amplifier | DOHERTY WILLIAM H | BELL TELEPHONE LABOR INC |
| 2658680 | November 10, 1953 | Wind and spot computer | HOLBROOK BERNARD D. ; LUNDSTROM ALEXIS A. ; MALTHANER WILLIAM A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658679 | November 10, 1953 | Computer control device | HOLBROOK BERNARD D. ; LUNDSTROM ALEXIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658678 | November 10, 1953 | Sight order computer | HOLBROOK BERNARD D ; LUNDSTROM ALEXIS A | BELL TELEPHONE LABOR INC |
| 2658677 | November 10, 1953 | Regenerative tracking apparatus | LUNDSTROM ALEXIS A ; MALTHANER WILLIAM A | BELL TELEPHONE LABOR INC |
| 2658676 | November 10, 1953 | Fuze setting order computer | LUNDSTROM ALEXIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658675 | November 10, 1953 | Tilt corrector for fire control computers | DARLINGTON SIDNEY ; LUNDSTROM ALEXIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2658674 | November 10, 1953 | Artillery computer having deck tilt and gun parallax correction factors | SIDNEY DARLINGTON ; LUNDSTROM ALEXIS A | BELL TELEPHONE LABOR INC |
| 2658673 | November 10, 1953 | Ballistic computer having range extending adjustable scale factor means | DARLINGTON SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2659817 | November 17, 1953 | Translation of electromagnetic waves | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2659813 | November 17, 1953 | Frequency modulation repeater | SCHELLENG JOHN C | BELL TELEPHONE LABOR INC |
| 2659774 | November 17, 1953 | Bidirectional transistor amplifier | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2659773 | November 17, 1953 | Inverted grounded emitter transistor amplifier | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2659337 | November 17, 1953 | Apparatus for spraying attenuation material onto traveling wave tube helices | SCHNEIDER HERBERT A | BELL TELEPHONE LABOR INC |
| 2659271 | November 17, 1953 | Silicon-germanium objective lens | TREUTING ROBERT G | BELL TELEPHONE LABOR INC |
| 2660688 | November 24, 1953 | Electron discharge device | WALSH EDWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660680 | November 24, 1953 | Crystal temperature control means | KOERNER LAWRENCE F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660676 | November 24, 1953 | Signal generating device | JR. STEPHEN DOBA, ; BIEKE JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660667 | November 24, 1953 | Ultrahigh frequency resonator | BOWEN ARNOLD E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660625 | November 24, 1953 | Automatic level control | HARRISON CHARLES W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660614 | November 24, 1953 | Television correcting circuit | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2661441 | December 1, 1953 | High-frequency amplifier | MUELLER GEORGE E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2661029 | December 1, 1953 | Method of making a fine wire mesh | WALSH EDWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2660904 | December 1, 1953 | Friction device for operating knobs in adjustable apparatus | JR. HARRY A. HILSINGER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662124 | December 8, 1953 | Transistor amplifier circuit | MCMILLAN BROCKWAY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662123 | December 8, 1953 | Electrical transmission system including bilateral transistor amplifier | JR. WALTER KOENIG, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662122 | December 8, 1953 | Two-way transistor electrical transmission system | RYDER ROBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662120 | December 8, 1953 | Magnetic head | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662997 | December 15, 1953 | Mounting for semiconductors | HOWARD CHRISTENSEN | BELL TELEPHONE LABOR INC |
| 2662974 | December 15, 1953 | Arragngement for single-channel time sharing | DORFF LOUIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662933 | December 15, 1953 | Multiplex carrier telegraph system | SINGER FRED J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662931 | December 15, 1953 | Spirally applied, conductivelycontacting cable armor | MOUGEY WILBUR E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2662852 | December 15, 1953 | Preparation of two-sided mosaic screen | TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2662839 | December 15, 1953 | Method of desulfurizing carboncoated metals | BECKER EDWARD J ; BIONDI FRANK J | BELL TELEPHONE LABOR INC |
| 2662274 | December 15, 1953 | Preparation of apertured metal screens | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663848 | December 22, 1953 | Electromagnetic wave microwave frequency filter | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2663830 | December 22, 1953 | Semiconductor signal translating device | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663829 | December 22, 1953 | Semiconductor translator | BRATTAIN WALTER H | BELL TELEPHONE LABOR INC |
| 2663819 | December 22, 1953 | Electrode support and spacing structure for electron discharge devices | GODDARD CHARLES T. | BELL TELEPHONE LABORATORIES, INC. |
| 2663818 | December 22, 1953 | Electron discharge device | WALSH EDWARD J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663806 | December 22, 1953 | Semiconductor signal translating device | SIDNEY DARLINGTON | BELL TELEPHONE LABOR INC |
| 2663797 | December 22, 1953 | Directive antenna | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663796 | December 22, 1953 | Low-input impedance transistor circuits | RAISBECK GORDON ; JR. ROBERT LEE WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663795 | December 22, 1953 | Electrical wave transforming system | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2663782 | December 22, 1953 | Circuit regulating device | INSLEY NORMAN ; TANNER THEODORE L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663766 | December 22, 1953 | Transistor amplifier with conjugate input and output circuits | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663752 | December 22, 1953 | Shielded electrical conductor with grounding strand | WIER ANTHONY J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663748 | December 22, 1953 | Swivel connector | CARR JAMES A. ; HASKELL FREDERIC V. ; SUTTON STANFORD M. ; WALTER ORVILLE L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2663190 | December 22, 1953 | Humidity indicator | ILGENFRITZ LESTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2664538 | December 29, 1953 | Current supply apparatus | SPENCER HARRY H | BELL TELEPHONE LABOR INC |
| 2664505 | December 29, 1953 | Frequency modulation detector | BERGER URIAH S | BELL TELEPHONE LABOR INC |
| 2664504 | December 29, 1953 | Cathode-ray decoder for pulse code modulation | BENNETT WILLIAM R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666196 | January 12, 1954 | Frequency station calling system using bifurcated piezoelectric elements | KINSLEY THOMAS G. ; MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666195 | January 12, 1954 | Sequential circuits | BACHELET ALBERT E. ; PITLIK HILLEL | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666163 | January 12, 1954 | Electron device with long electron path | CLOGSTON ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666100 | January 12, 1954 | Measuring apparatus | THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2666099 | January 12, 1954 | Loss measurement in two-way electrical transmission systems | BONNER ARTHUR L | BELL TELEPHONE LABOR INC |
| 2666097 | January 12, 1954 | Calling dial device | BREIVOGEL WILLIAM G | BELL TELEPHONE LABOR INC |
| 2666096 | January 12, 1954 | Electronic discharge-tube controlled telephone switching system | CORNELL WARREN A ; HALL NATHAN I ; GEORGE HECHT ; KOECHLING CHARLES D ; KORN FRANKLIN A ; POWELL HAROLD E | BELL TELEPHONE LABOR INC |
| 2665845 | January 12, 1954 | Transistor trigger circuit for operating relays | TRENT ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666819 | January 19, 1954 | Balanced amplifier employing transistors of complementary characteristics | RAISBECK GORDON | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666818 | January 19, 1954 | Transistor amplifier | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666817 | January 19, 1954 | Transistor amplifier and power supply therefor | RAISBECK GORDON ; JR. ROBERT LEE WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666814 | January 19, 1954 | Semiconductor translating device | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666812 | January 19, 1954 | Telephone signaling system | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666579 | January 19, 1954 | Automatic calculator | STIBITZ GEORGE R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666578 | January 19, 1954 | Switching control system | JULEY JOSEPH P | BELL TELEPHONE LABOR INC |
| 2666357 | January 19, 1954 | Optical system for nonintermittent film projectors | GRAHAM ROBERT E. ; MATTKE CHARLES F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2666356 | January 19, 1954 | Servo system for nonintermittent film projectors | GRAHAM ROBERT E. ; MATTKE CHARLES F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2667607 | January 26, 1954 | Semiconductor circuit element | ROBINSON ALBERT L | BELL TELEPHONE LABOR INC |
| 2667537 | January 26, 1954 | Telegraph repeater | MAHONEY JOSEPH A ; REA WILTON T ; SUTLIFF CARLETON B | BELL TELEPHONE LABOR INC |
| 2667536 | January 26, 1954 | Carrier telegraph system | GARDNER LELAND A ; HYSKO JOHN L | BELL TELEPHONE LABOR INC |
| 2666977 | January 26, 1954 | Reversible semiconductor and method of making it | PFANN WILLIAM G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2668195 | February 2, 1954 | Marking and switching system | BREWER SHERMAN T | BELL TELEPHONE LABOR INC |
| 2668192 | February 2, 1954 | Telegraph signal distortion indicating and measuring device | CORY SAMUEL I. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2668931 | February 9, 1954 | Electronic register for telephone switching systems | HALL NATHAN I. ; HECHT GEORGE ; KOECHLING CHARLES D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2668927 | February 9, 1954 | Electron discharge device | JONAS HERBERT C ; SEARS RAYMOND W | BELL TELEPHONE LABOR INC |
| 2668877 | February 9, 1954 | Electromechanical translator | GENT EDGAR W ; OSCAR MYERS | BELL TELEPHONE LABOR INC |
| 2668874 | February 9, 1954 | Automatic volume control | AUGUSTADT HERBERT W ; KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2668873 | February 9, 1954 | Vertical synchronizing system | GRAHAM ROBERT E | BELL TELEPHONE LABOR INC |
| 2668872 | February 9, 1954 | Vertical synchronizing system | HARRISON CHARLES W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2668661 | February 9, 1954 | Complex computer | STIBITZ GEORGE R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669706 | February 16, 1954 | Code selector | GRAY FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669692 | February 16, 1954 | Method for determining electrical characteristics of semiconductive bodies | PEARSON GERALD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669691 | February 16, 1954 | Broad band testing | EDMONDS ROBERT W | BELL TELEPHONE LABOR INC |
| 2669666 | February 16, 1954 | Piezoelectric transducer | MASON WARREN P. ; MATTHIAS BERND T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669657 | February 16, 1954 | Electromagnetic lens | CUTLER CASSIUS C | BELL TELEPHONE LABOR INC |
| 2669656 | February 16, 1954 | Triangular wave generator | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669654 | February 16, 1954 | Limiter amplifier circuit | MAGGIO JOHN B | BELL TELEPHONE LABOR INC |
| 2669635 | February 16, 1954 | Semiconductive photoelectric transducer | PFANN WILLIAM G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669608 | February 16, 1954 | Noise reduction in quantized pulse transmission systems with large quanta | GOODALL WILLIAM M | BELL TELEPHONE LABOR INC |
| 2669500 | February 16, 1954 | Plotting board | OCH HENRY G. ; PARKINSON DAVID B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2669386 | February 16, 1954 | Gun data computer having spot correction means | BOGHOSIAN WILLIAM H ; OCH HENRY G ; WEBER BRUCE T | BELL TELEPHONE LABOR INC |
| 2669304 | February 16, 1954 | Record controlled reproducing system | CARPENTER WARREN W | BELL TELEPHONE LABOR INC |
| 2669004 | February 16, 1954 | Varistor curve tracer | BLAIR ROYER R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2670445 | February 23, 1954 | Regenerative transistor amplifier | FELKER JEAN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2670441 | February 23, 1954 | Alpha particle counter | MCKAY KENNETH G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2670435 | February 23, 1954 | Radiotelephone communication system | MITCHELL DOREN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2670405 | February 23, 1954 | Signaling system employing electron beams | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2670134 | February 23, 1954 | Computer for multiple ballistics | LAKATOS EMORY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2671170 | March 2, 1954 | Square wave circuit | DOUVAS AUGUSTUS G | BELL TELEPHONE LABOR INC |
| 2671133 | March 2, 1954 | Vertical synchronizing generator | GRAHAM ROBERT E ; HARRISON CHARLES W | BELL TELEPHONE LABOR INC |
| 2670830 | March 2, 1954 | Coin collector | HOYT FREDERICK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2671824 | March 9, 1954 | Electron beam register signaling system | SOFFEL ROBERT O | BELL TELEPHONE LABOR INC |
| 2671739 | March 9, 1954 | Plating with sulfides, selenides, and tellurides of chromium, molybdenum, and tungsten | LANDER JAMES J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2671735 | March 9, 1954 | Electrical resistors and methods of making them | GRISDALE RICHARD O. ; PFISTER ANTHONY C. ; TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2671611 | March 9, 1954 | Control circuit for calculating machines | VIBBARD EDWARD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672604 | March 16, 1954 | Telephone ringing power plant | MILLS JOHN K ; ROSS WALTER S | BELL TELEPHONE LABOR INC |
| 2672590 | March 16, 1954 | Delay line | MCSKIMIN HERBERT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672528 | March 16, 1954 | Semiconductor translating device | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2672523 | March 16, 1954 | Telephone subscriber | DUNLAP KERMIT S. ; MALTHANER WILLIAM A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672521 | March 16, 1954 | Channel testing circuit | HOLDEN WILLIAM H T | BELL TELEPHONE LABOR INC |
| 2672518 | March 16, 1954 | Station identifier | HOLDEN WILLIAM H. T. ; VIBBARD EDWARD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672515 | March 16, 1954 | Calling station identification circuit | BARLOW DICK S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672512 | March 16, 1954 | System for analyzing and synthesizing speech | MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2672511 | March 16, 1954 | Telegraph repeater | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2672508 | March 16, 1954 | Teletypewriter line feed transmitting and counting apparatus | LANG WILMARTH Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2672395 | March 16, 1954 | Recording system | LEWIS BENJAMIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673970 | March 30, 1954 | Terminal strip | MILOCHE HERMAN A. ; OBST CHARLES V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673962 | March 30, 1954 | Mode suppression in curved waveguide bends | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673961 | March 30, 1954 | Inductance coil | WILLIAMSON ROBERT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673960 | March 30, 1954 | Thermistor measuring apparatus | DOBLMAIER ANTON H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673936 | March 30, 1954 | Diode gate | HARRIS JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673900 | March 30, 1954 | High-frequency amplifying device | MUMFORD WILLIAM W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673891 | March 30, 1954 | Control of transmission in two-way telephotograph systems | JONES THEODORE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673721 | March 30, 1954 | Apparatus for cooling electron discharge devices | DICKINSON FRANK R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2673482 | March 30, 1954 | Vibrating reed device | BOSTWICK LEE G | BELL TELEPHONE LABOR INC |
| 2674720 | April 6, 1954 | Frequency control circuit | NEAN LUND | BELL TELEPHONE LAB INCPORPORAT |
| 2674692 | April 6, 1954 | Frequency changing repeater employing feedback amplifiers | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2674659 | April 6, 1954 | Magnetic head and method of making same | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2674583 | April 6, 1954 | High temperature coefficient resistors and methods of making them | HOWARD CHRISTENSEN | BELL TELEPHONE LABOR INC |
| 2674409 | April 6, 1954 | Electrical generator of products and functions | LAKATOS EMORY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2674312 | April 6, 1954 | Sorting device | JOEL JR AMOS E | BELL TELEPHONE LABOR INC |
| 2674031 | April 6, 1954 | Method of making electromagnetic transducers | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675539 | April 13, 1954 | Checking circuit | MCGUIGAN JOHN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675538 | April 13, 1954 | Checking circuit | MALTHANER WILLIAM A. ; RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675499 | April 13, 1954 | Cathode-ray device | SEARS RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675451 | April 13, 1954 | Potentiometer | TINUS WILLIAM C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675450 | April 13, 1954 | Potentiometer card mounting means | ROSS JOHN E | BELL TELEPHONE LABOR INC |
| 2675427 | April 13, 1954 | Electrostatic scanning mechanism for scanning both tips and rings of calling lines and combining the results of these scanning operations | NEWBY NEAL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2675426 | April 13, 1954 | Electronic induction number group translator | EDWARD VROOM | BELL TELEPHONE LABOR INC |
| 2676313 | April 20, 1954 | Pulse counting relay system | DEHN JOSEPH W | BELL TELEPHONE LABOR INC |
| 2676305 | April 20, 1954 | Isothermal electric cables | FONDILLER WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676271 | April 20, 1954 | Transistor gate | BALDWIN EDWIN G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676258 | April 20, 1954 | Harmonic crystal oscillator | LAIDIG JOHN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676228 | April 20, 1954 | Conditioning of semiconductor translators | SHIVE JOHN N | BELL TELEPHONE LABOR INC |
| 2676209 | April 20, 1954 | Coin-controlled telephone system in which tariff rates for telephone calls are audibly transmitted automatically to a calling subscriber | JR. AMOS E. JOEL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676206 | April 20, 1954 | Computation and display of correlation | BENNETT WILLIAM R ; PETERSON LISS C | BELL TELEPHONE LABOR INC |
| 2676203 | April 20, 1954 | Frequency spacing in two-tone carrier system | PHELPS WALTER A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676199 | April 20, 1954 | Telegraph switching system | BACON WALTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2676197 | April 20, 1954 | Glass to metal seal for deep-sea electric cable | JR. WILLIAM T. READ, ; RONEI VICTOR L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2677106 | April 27, 1954 | Testing of semiconductors | HAYNES JAMES R. ; MORTON JACK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2677103 | April 27, 1954 | Transfer conductance test set | BELL DELAMAR T | BELL TELEPHONE LABOR INC |
| 2677102 | April 27, 1954 | Transfer conductance test set | YOUNG CLARENCE H | BELL TELEPHONE LABOR INC |
| 2677101 | April 27, 1954 | Transmission measuring means and method | BRUNE WILLIAM L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2677019 | April 27, 1954 | Magnetic head and method of making same | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2677016 | April 27, 1954 | Teletypewriter trunk circuit | DAVEY JAMES R | BELL TELEPHONE LABOR INC |
| 2676392 | April 27, 1954 | Method of making filamentary electromagnetic transducers | BUHRENDORF FREDERICK G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2677726 | May 4, 1954 | Signaling system for carrier telephone transmission | ENTZ FERDINAND S. ; PULLIS GEORGE A. ; RESSLER RALPH E. ; SOFFEL ROBERT O. ; WEBER LAURANCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678435 | May 11, 1954 | Signal sender comprising motor driven capacitative commutator | VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678427 | May 11, 1954 | Linearity measuring scheme | SMITH KENNETH D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678409 | May 11, 1954 | Signaling system | HOLDEN WILLIAM H. T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678400 | May 11, 1954 | Photomultiplier utilizing bombardment induced conductivity | MCKAY KENNETH G | BELL TELEPHONE LABOR INC |
| 2678383 | May 11, 1954 | Linearity measuring scheme | FRANTZ GLENN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678998 | May 18, 1954 | Automatic regulation of vehicle radiated power in mobile radio system | YOUNG JR WILLIAM R | BELL TELEPHONE LABOR INC |
| 2678997 | May 18, 1954 | Pulse transmission | DARLINGTON SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678968 | May 18, 1954 | Digit reconstruction system | GOODERHAM JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2678959 | May 18, 1954 | Temperature-controlled induction furnace | LOZIER JOHN C ; WELLER DAVID C | BELL TELEPHONE LABOR INC |
| 2678486 | May 18, 1954 | Grid for electron discharge devices | CHICK ARTHUR J. ; SPECK LAWRENCE J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2679633 | May 25, 1954 | Wave transmission network utilizing impedance inversion | BANGERT JOHN T | BELL TELEPHONE LABOR INC |
| 2679632 | May 25, 1954 | Directional coupler | JR. BRIAN C. BELLOWS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2679630 | May 25, 1954 | Voltage indicating and recording device | FELCH JR EDWIN P ; THADDEUS SLONCZEWSKI | BELL TELEPHONE LABOR INC |
| 2679585 | May 25, 1954 | Frequency discriminator | DRAZY ELBERT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2679582 | May 25, 1954 | Balanced wave guide branching system | EDWARDS CHARLES F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2679570 | May 25, 1954 | Formation of electrode tip by electric current heating | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2679551 | May 25, 1954 | Capacitative commutator | NEWBY NEAL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2679080 | May 25, 1954 | Production of single crystals of germanium | OLSEN KARL M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680230 | June 1, 1954 | Compensating network | GARRISON JEDEDIAH L. ; WHISTLER JOHN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680194 | June 1, 1954 | Radiotelephone receiving system | JR. WILLIAM R. YOUNG, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680162 | June 1, 1954 | Automatic line testing and switching circuit | BREHM HAROLD B. ; KINZER JOHN P. ; SMITH AUBREY A. ; WILSON IRA G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680160 | June 1, 1954 | Bias circuit for transistor amplifiers | YAEGER ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680154 | June 1, 1954 | Arrangement for single-channel time sharing | DORFF LOUIS A | BELL TELEPHONE LABOR INC |
| 2679977 | June 1, 1954 | Calculator sign control circuit | ANDREWS ERNEST G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680781 | June 8, 1954 | Translating arrangement | AVERY ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2680777 | June 8, 1954 | Electronic switching circuit | REA WILTON T | BELL TELEPHONE LABOR INC |
| 2681385 | June 15, 1954 | Reduction of signal redundancy | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682037 | June 22, 1954 | Equalizer | BOBIS STEPHEN ; LUNDRY WALTER R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682024 | June 22, 1954 | Electrical condenser and dielectric composition useful therein | KOHMAN GIRARD T. ; MCMAHON WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682015 | June 22, 1954 | Gaseous discharge stepping device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682003 | June 22, 1954 | Accelerometer | STUBNER FRANZ W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2681996 | June 22, 1954 | Transistor oscillator | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2681993 | June 22, 1954 | Circuit element utilizing semiconductive materials | WILLIAM SHOCKLEY | BELL TELEPHONE LABOR INC |
| 2681988 | June 22, 1954 | Vestigial side-band detector | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2681886 | June 22, 1954 | Preparation of two-sided mosaic screen | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682610 | June 29, 1954 | Selective mode transducer | KING ARCHIE P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682585 | June 29, 1954 | Electromagnetic relay | KNAPP HARRY M ; SPAHN JR CHARLES F | BELL TELEPHONE LABOR INC |
| 2682584 | June 29, 1954 | Relay | KNAPP HARRY M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682575 | June 29, 1954 | Time division multiplex system | EDSON JAMES O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682501 | June 29, 1954 | Preparation of two-sided mosaic | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2682063 | June 29, 1954 | Wiring tool | MILOCHE HERMAN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683255 | July 6, 1954 | Switch attenuator for wave guides | KOOS PAUL V. ; OBERLE LOUIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683238 | July 6, 1954 | Microwave amplifier | MILLMAN SIDNEY | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683219 | July 6, 1954 | Variable-frequency relaxation oscillator | MOHR MILTON E | BELL TELEPHONE LABOR INC |
| 2683189 | July 6, 1954 | Frequency-shift carrier telegraph system | HYSKO JOHN L ; OSTENDORF JR BERNARD ; REA WILTON T ; WATSON EDWARD F | BELL TELEPHONE LABOR INC |
| 2682859 | July 6, 1954 | Tuning dial assembly for electrical apparatus | JENSEN RHINCHARDT M ; SAMEK CHARLES T | BELL TELEPHONE LABOR INC |
| 2682775 | July 6, 1954 | Stepping mechanism | THOMAS FRANK M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683794 | July 13, 1954 | Infrared energy source | BRIGGS HOWARD B. ; HAYNES JAMES R. ; SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683777 | July 13, 1954 | Automatic control of amplification in long distance transmission systems | ANDERSON FRITHIOF B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683676 | July 13, 1954 | Production of germanium rods having longitudinal crystal boundaries | LITTLE JOHN B. ; TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2683652 | July 13, 1954 | Heat treatment of microphonic carbon | MARTIN MERLIN L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2684405 | July 20, 1954 | Telephone selecting system employing combined selecting and talking path gas-discharge tube and selective disconnection | BRUCE EDMOND ; STRAUBE HAROLD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685066 | July 27, 1954 | Impedance inversion networks | BARNEY HAROLD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685063 | July 27, 1954 | Method of and system for measuring phase shift | ALSBERG DIETRICH A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2684725 | July 27, 1954 | Compressional wave guide system | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2684724 | July 27, 1954 | Sound wave refractor | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685683 | August 3, 1954 | Fault signaling system for counting chain | HOLDEN WILLIAM H. T. ; MORTON EDMUND R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685615 | August 3, 1954 | Voice-operated device | BIDDULPH RULON S ; DAVIS KINGSBURY H | BELL TELEPHONE LABOR INC |
| 2686271 | August 10, 1954 | Motor control circuit | FERRELL ENOCH B | BELL TELEPHONE LABOR INC |
| 2686257 | August 10, 1954 | Radio telephone communication station | REICHLE WINFRIED E | BELL TELEPHONE LABOR INC |
| 2686256 | August 10, 1954 | Signal transmission system | ALBERSHEIM WALTER J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686215 | August 10, 1954 | Isothermal electric cable | FONDILLER WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686099 | August 10, 1954 | Plotting system | BOMBERGER DAVID C. ; OCH HENRY G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686012 | August 10, 1954 | Paper sheet feed and tensioning system | WILLARD GABEL ; JOSEPH WELTERT | BELL TELEPHONE LABOR INC |
| 2685946 | August 10, 1954 | Parallel pivot type speed responsive brake | PFERD WILLIAM ; PRESCOTT ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685893 | August 10, 1954 | Wiped joint | PHIPPS GEORGE S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2685728 | August 10, 1954 | Translating material and method of manufacture | OHL RUSSELL S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686904 | August 17, 1954 | Corona shielding insulation | FEDER HERBERT S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686902 | August 17, 1954 | Microwave branching arrangement | TILLOTSON LE ROY C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686847 | August 17, 1954 | Directional transducer | AAMODT THORALF | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686844 | August 17, 1954 | Telephone set | BREWER SHERMAN T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686843 | August 17, 1954 | Call distributing service desk | JR. WILLIAM L. SHAFER, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686838 | August 17, 1954 | Translator | DEHN JOSEPH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2686837 | August 17, 1954 | High-speed electronic switching system | BREWER SHERMAN T ; EDMOND BRUCE | BELL TELEPHONE LABOR INC |
| 2686636 | August 17, 1954 | Curved course predictor | LAKATOS EMORY ; OCH HENRY G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2688122 | August 31, 1954 | Constant q resonator | EDSON WILLIAM A ; WILSON IRA G | BELL TELEPHONE LABOR INC |
| 2688110 | August 31, 1954 | Semiconductor translating device | DOMALESKI JOSEPH V ; GARTLAND EMMET L ; KLEIMACK JOSEPH J | BELL TELEPHONE LABOR INC |
| 2688732 | September 7, 1954 | Wave guide | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2688700 | September 7, 1954 | Universal scanning mechanism for radar | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2688658 | September 7, 1954 | Call data recording telephone system | CARPENTER WARREN W. ; COLLIS RAYMOND E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2688652 | September 7, 1954 | Lead cadmium coated soldered brass cable armor | SCHUMACHER EARLE E | BELL TELEPHONE LABOR INC |
| 2688582 | September 7, 1954 | Method of forming laminated sheets | PHAIR ROBERT J. ; PLATOW RAYMOND C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2690548 | September 28, 1954 | Automatic switching system for radio broadcasting networks | JR. AMOS E. JOEL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2690508 | September 28, 1954 | Directive antenna system | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2690476 | September 28, 1954 | Hub concentration group telegraph repeater | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2690299 | September 28, 1954 | Testing system | KILLE LINDLEY A | BELL TELEPHONE LABOR INC |
| 2691072 | October 5, 1954 | Composite magnetic recording tape | MATHES ROBERT C | BELL TELEPHONE LABOR INC |
| 2691057 | October 5, 1954 | Insulated conductor | MCLEAN DAVID A | BELL TELEPHONE LABOR INC |
| 2690980 | October 5, 1954 | Carbonyl process | LANDER JAMES J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691765 | October 12, 1954 | Electron discharge device | ROBERTSON GEORGE H | BELL TELEPHONE LABOR INC |
| 2691750 | October 12, 1954 | Semiconductor amplifier | SHIVE JOHN N | BELL TELEPHONE LABOR INC |
| 2691738 | October 12, 1954 | Electrical device embodying ferroelectric lanthanum-containing substances | MATTHIAS BERND T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691736 | October 12, 1954 | Electrical translation device, including semiconductor | HAYNES JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691734 | October 12, 1954 | Frequency stabilized oscillator | BECK ALFRED C. ; RING DOUGLAS H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691729 | October 12, 1954 | Electrical circuits | CORNELL WARREN A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691723 | October 12, 1954 | Radiotelephone communication system | NORDAHL JOHN G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691484 | October 12, 1954 | Coin collector | HOYT FREDERICK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691297 | October 12, 1954 | Apparatus for testing leaky receptacles | KREISEL RALPH R. ; POLK ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692371 | October 19, 1954 | Modulator circuit | BALCH HUGH T | BELL TELEPHONE LABOR INC |
| 2692351 | October 19, 1954 | Electron beam amplifier | MORTON JACK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692337 | October 19, 1954 | Oscillation generator | HANSON ROBERT L | BELL TELEPHONE LABOR INC |
| 2692336 | October 19, 1954 | Aperture antenna | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692307 | October 19, 1954 | Transmission regulation | KETCHLEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2692303 | October 19, 1954 | Speech interpolated communication system | DICKIESON ALTON C. ; EDWARDS PAUL G. ; ROBERTSON DONALD D. ; WURMSER ALPHONS V. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692082 | October 19, 1954 | Automatic calculator | CESAREO ORFEO ; STRICKLER WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2691858 | October 19, 1954 | Cutting tool | JULES ANDRUS | BELL TELEPHONE LABOR INC |
| 2691811 | October 19, 1954 | Method of producing improved leadout conductors for electrical coils | WAGAR HAROLD N. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692978 | October 26, 1954 | Ferrite inductor | GALT JOHN K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692961 | October 26, 1954 | Isothermal electromagnetic apparatus | FONDILLER WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692952 | October 26, 1954 | Semiconductive light valve | BRIGGS HOWARD B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692950 | October 26, 1954 | Valve for infrared energy | JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692911 | October 26, 1954 | Printing telegraph apparatus | LANG WILMARTH Y. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692839 | October 26, 1954 | Method of fabricating germanium bodies | HOWARD CHRISTENSEN ; TEAL GORDON K | BELL TELEPHONE LABOR INC |
| 2692838 | October 26, 1954 | Process for producing a silica coating | THURBER ELMER A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692728 | October 26, 1954 | Testing system | STRICKLER WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2692499 | October 26, 1954 | Flaw tester for tape | KUCH FREDERICK C | BELL TELEPHONE LABOR INC |
| 2693572 | November 2, 1954 | Current and voltage regulation | CHASE FAY H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2693568 | November 2, 1954 | Current and voltage regulation | CHASE FAY H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694196 | November 9, 1954 | Duplex radio telephone system | BAKER GEORGE H | BELL TELEPHONE LABOR INC |
| 2694189 | November 9, 1954 | Solderless wire terminal | WIRSCHING ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694186 | November 9, 1954 | Wave filter | KINZER JOHN P. ; MARSHALL ROBERT W. ; WILSON IRA G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694184 | November 9, 1954 | Equalizer | ROUNDS PHILIP W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694178 | November 9, 1954 | Electromagnetic control apparatus | SMITH DONALD H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694174 | November 9, 1954 | Frequency and voltage control apparatus | STONE JOHN R | BELL TELEPHONE LABOR INC |
| 2694160 | November 9, 1954 | Expandable straight line trajectory radar and sonar indicator | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694159 | November 9, 1954 | Microwave amplifier | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694154 | November 9, 1954 | Card translator optical system | KINGSBURY EDWIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694147 | November 9, 1954 | Scanning antenna system | FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2694142 | November 9, 1954 | Signal-to-noise energy detection unit | LAIDIG JOHN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694141 | November 9, 1954 | Radiant energy signaling system | MITCHELL DOREN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694140 | November 9, 1954 | Selection of low interference radio channels | GILMAN GEORGE W. ; PFLEGER KENNETH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694119 | November 9, 1954 | Vibrating reed selector | ARMITAGE ETHEL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694115 | November 9, 1954 | Push-pull transistor amplifier with conjugate input and output impedances | MEACHAM LARNED A | BELL TELEPHONE LABOR INC |
| 2694113 | November 9, 1954 | Transistor amplifier with conjugate input and output impedances | MEACHAM LARNED A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694112 | November 9, 1954 | Amplifier utilizing bombardment induced conductivity | MCKAY KENNETH G | BELL TELEPHONE LABOR INC |
| 2694106 | November 9, 1954 | Ringing current supply system | MILLS JOHN K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694101 | November 9, 1954 | Vibration damper for transmission lines | SHUHART JOHN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694050 | November 9, 1954 | Thermally sensitive resistor | LOMAN GEORGE T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694040 | November 9, 1954 | Methods of selectively plating p-type material of a semiconductor containing a p-n junction | DAVIS GUSTOFF W ; WALTZ MAYNARD C | BELL TELEPHONE LABOR INC |
| 2694024 | November 9, 1954 | Semiconductor bodies for signal translating devices | BOND WALTER L. ; SPARKS MORGAN ; TEAL GERDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2693912 | November 9, 1954 | Apparatus for measuring usage of equipment | BECKHAM CLAUD L | BELL TELEPHONE LABOR INC |
| 2693734 | November 9, 1954 | Optical system for card translators | JR. ROBERT E. COLEMAN, ; KINGSBURY EDWIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2694801 | November 16, 1954 | Pulse counting and registration system | BACHELET ALBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695398 | November 23, 1954 | Ferroelectric storage circuits | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695397 | November 23, 1954 | Ferroelectric storage circuits | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695396 | November 23, 1954 | Ferroelectric storage device | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695334 | November 23, 1954 | Dialing or signaling system | DUNLAP KERMIT S | BELL TELEPHONE LABOR INC |
| 2695332 | November 23, 1954 | Two-way multichannel carrier wave transmission | CARUTHERS ROBERT S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695980 | November 30, 1954 | Servomechanism stabilization | DANIEL LEED ; SMITH NORMAN D | BELL TELEPHONE LABOR INC |
| 2695960 | November 30, 1954 | Cathode crystal coupled oscillator | HARRISON CHARLES W | BELL TELEPHONE LABOR INC |
| 2695959 | November 30, 1954 | Frequency dividing circuit | MOHR MILTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695958 | November 30, 1954 | Directive antenna system | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2695956 | November 30, 1954 | Gating circuit | MALLINCKRODT CHARLES O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695930 | November 30, 1954 | High-frequency transistor circuit | WALLACE JR ROBERT L | BELL TELEPHONE LABOR INC |
| 2695928 | November 30, 1954 | Calling line identification | JR. AMOS E. JOEL, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2695927 | November 30, 1954 | Multichannel carrier telephone system | CARUTHERS ROBERT S ; TASSEL EARL K VAN | BELL TELEPHONE LABOR INC |
| 2695852 | November 30, 1954 | Fabrication of semiconductors for signal translating devices | SPARKS MORGAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2696599 | December 7, 1954 | Check circuits | HOLBROOK BERNARD D. ; MALTHANER WILLIAM A. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2696572 | December 7, 1954 | Pulse generating circuit | SCHMID ERWIN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2696543 | December 7, 1954 | Electric switch | ELLWOOD WALTER B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2696529 | December 7, 1954 | Voice-operated switching system | BACHELET ALBERT E. ; SOFFEL ROBERT O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697208 | December 14, 1954 | Reflectionless wave guide termination | HOUGHTON EDWARD W | BELL TELEPHONE LABOR INC |
| 2697157 | December 14, 1954 | Elastic conductor | KERSTA LAWRENCE G | BELL TELEPHONE LABOR INC |
| 2697140 | December 14, 1954 | Electronic testing system | CORNELL WARREN A ; HALL NATHAN I ; POWELL HAROLD E | BELL TELEPHONE LABOR INC |
| 2697136 | December 14, 1954 | Microphone and microphone granules | BAKER WILLIAM O. ; GRISDALE RICHARD O. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697052 | December 14, 1954 | Fabricating of semiconductor translating devices | DACEY GEORGE C ; FOY PHILIP W | BELL TELEPHONE LABOR INC |
| 2697047 | December 14, 1954 | Method of providing a spot of silver on a piezoelectric crystal | ZIEGLER ARTHUR W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697029 | December 14, 1954 | Methods of producing carbonized substances containing silicon | BAKER WILLIAM O ; GRISDALE RICHARD O ; WINSLOW FIELD H | BELL TELEPHONE LABOR INC |
| 2697028 | December 14, 1954 | Methods of producing dehydrogenated hydrocarbon bodies | BAKER WILLIAM O ; GRISDALE RICHARD O | BELL TELEPHONE LABOR INC |
| 2696656 | December 14, 1954 | Tool for making electrical connections | MADDEN JAMES J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697792 | December 21, 1954 | Howler tone circuit involving a motor-driven interrupter | MILLS JOHN K | BELL TELEPHONE LABOR INC |
| 2697749 | December 21, 1954 | Multifrequency telephone switching system | JEANNE ARMAND L. ; KELLER ARTHUR C. ; WHITE SAMUEL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697748 | December 21, 1954 | Automatic ticketing telephone system | GOODERHAM JOHN W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2697269 | December 21, 1954 | Method of making semiconductor translating devices | FULLER CALVIN S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2698419 | December 28, 1954 | Detector of reverse recovery effect in asymmetrically conductive devices | BLAIR ROYER R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2698414 | December 28, 1954 | Current supply apparatus | MESZAROS GEORGE W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2698923 | January 4, 1955 | Electromagnetic cavity resonator | EDSON WILLIAM A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2698922 | January 4, 1955 | Single-sided push-pull amplifier | REISE HERMAN A | BELL TELEPHONE LABOR INC |
| 2698780 | January 4, 1955 | Method of treating germanium for translating devices | LOGAN RALPH A. ; SPARKS MORGAN | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2699529 | January 11, 1955 | Electronic timer | WENK HOWARD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2699133 | January 11, 1955 | Electrical element mounting jig | AMES GEORGE W ; HERRINGTON HAROLD W | BELL TELEPHONE LABOR INC |
| 2700148 | January 18, 1955 | Magnetic drum dial pulse recording and storage register | MCGUIGAN JOHN H. ; MURPHY ORLANDO J. ; NEWBY NEAL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2700146 | January 18, 1955 | Pulse counting and registering system | BACHELET ALBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2700133 | January 18, 1955 | Measurement of relative delay of wave envelopes | PFLEGER KENNETH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2700626 | January 25, 1955 | Secondary electron emissive electrodes | MENDENHALL HALLAM E | BELL TELEPHONE LABOR INC |
| 2701358 | February 1, 1955 | Ground speed and distance meter | DOBA JR STEPHEN | BELL TELEPHONE LABOR INC |
| 2701357 | February 1, 1955 | Capacitive commutator transmitter | NEWBY NEAL D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701344 | February 1, 1955 | Wave guide phase shifter | BOWEN ARNOLD E | BELL TELEPHONE LABOR INC |
| 2701343 | February 1, 1955 | High q resonant cavity | LANGE RUSSELL W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701342 | February 1, 1955 | High-frequency directional coupler | GARDNER FOX ARTHUR | BELL TELEPHONE LABOR INC |
| 2701341 | February 1, 1955 | High-frequency directional coupler | GARDNER FOX ARTHUR | VIRGINIA C BOWEN WILLIAM W MUMFORD BELL TELEPHONE LABOR INC |
| 2701340 | February 1, 1955 | High-frequency directional coupler | MILLER STEWART E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701326 | February 1, 1955 | Semiconductor translating device | PFANN WILLIAM G ; THEUERER HENRY C | BELL TELEPHONE LABOR INC |
| 2701309 | February 1, 1955 | Semiconductor oscillation generator | BARNEY HAROLD L | BELL TELEPHONE LABOR INC |
| 2701305 | February 1, 1955 | Recognition circuit | HOPPER ANDREW L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701279 | February 1, 1955 | Multifrequency signaling system | LOVELL CLARENCE A. ; MCGUIGAN JOHN H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701274 | February 1, 1955 | Signal predicting apparatus | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701098 | February 1, 1955 | Concealed ground target computer for aircraft | TOWNES CHARLES H | BELL TELEPHONE LABOR INC |
| 2700808 | February 1, 1955 | Drop wire clamp | WELLS HERBERT A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2701617 | February 8, 1955 | Wave filter of extended area | KOCK WINSTON E | BELL TELEPHONE LABOR INC |
| 2701392 | February 8, 1955 | Method of manufacture of incapsulated electrical apparatus | EICH NORBERT J | BELL TELEPHONE LABOR INC |
| 2702357 | February 15, 1955 | Multicathode gaseous discharge device | TOWNSEND MARK A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2702186 | February 15, 1955 | Accelerometer | HEAD GEORGE A. ; NORTON EDWARD L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2702838 | February 22, 1955 | Semiconductor signal translating device | HAYNES JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2703368 | March 1, 1955 | Pulse regeneration | WRATHALL LEISHMAN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2703344 | March 1, 1955 | Cutaneous signaling | ANDERSON ATTELL B | BELL TELEPHONE LABOR INC |
| 2703296 | March 1, 1955 | Method of producing a semiconductor element | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2703218 | March 1, 1955 | Method and apparatus for installing aerial cables | HASKELL FREDERIC V. ; SUTTON STANFORD M. ; WALTER ORVILLE L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2704325 | March 15, 1955 | Scanning panoramic receiver system | TAYLOR EDMUND R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2705768 | April 5, 1955 | Semiconductor signal translating devices and method of fabrication | KLEIMACK JOSEPH J ; TRENT ROBERT L | BELL TELEPHONE LABOR INC |
| 2705754 | April 5, 1955 | Directive antenna systems | LEWIS WILLARD D | BELL TELEPHONE LABOR INC |
| 2705742 | April 5, 1955 | High speed continuous spectrum analysis | MILLER RALPH L | BELL TELEPHONE LABOR INC |
| 2705472 | April 5, 1955 | Coin signal for telephone pay stations | HOLDEN LAWRENCE T | BELL TELEPHONE LABOR INC |
| 2706264 | April 12, 1955 | Storage tube circuit | ANDERSON ALVA EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2706263 | April 12, 1955 | Gas discharge transmit-receive switch | EUGENE ANDERSON ALVA | BELL TELEPHONE LABOR INC |
| 2706258 | April 12, 1955 | Voltage testing circuit | MILLS JOHN K ; ROSS WALTER S | BELL TELEPHONE LABOR INC |
| 2706223 | April 12, 1955 | Polytonic high speed calling signal generator | LOVELL CLARENCE A ; MURPHY ORLANDO J | BELL TELEPHONE LABOR INC |
| 2706222 | April 12, 1955 | Transistor lockout circuit | BJORNSON BJORN G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2706221 | April 12, 1955 | Two-step lockout system | BJORNSON BJORN G | BELL TELEPHONE LABOR INC |
| 2706784 | April 19, 1955 | Noise source | MUMFORD WILLIAM W | BELL TELEPHONE LABOR INC |
| 2706783 | April 19, 1955 | Crystal controlled oscillators | HENSEL WALDO G | BELL TELEPHONE LABOR INC |
| 2706782 | April 19, 1955 | Broad band microwave noise source | MUMFORD WILLIAM W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2706781 | April 19, 1955 | Mechanical stabilizer for supporting radar antenna | JR. FRANK A. GOSS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2706779 | April 19, 1955 | High gain antenna | BABCOCK WALLACE C | BELL TELEPHONE LABOR INC |
| 2706756 | April 19, 1955 | Electromechanical switch | BREWER SHERMAN T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2706749 | April 19, 1955 | Testing small private branch exchange trunk groups | KROM MYRON E | BELL TELEPHONE LABOR INC |
| 2706366 | April 19, 1955 | Method of constructing a helix assembly | BEST FRED H | BELL TELEPHONE LABOR INC |
| 2706326 | April 19, 1955 | Polarization process for pseudocubic ferroelectrics | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2707235 | April 26, 1955 | Frequency selective systems | TOWNES CHARLES H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2707231 | April 26, 1955 | Frequency stabilization of oscillators | TOWNES CHARLES H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2707759 | May 3, 1955 | Electronic amplifier | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2707391 | May 3, 1955 | Testing viscous liquids | MCSKIMIN HERBERT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2708236 | May 10, 1955 | Microwave amplifiers | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2708750 | May 17, 1955 | Pulse-actuated circuits | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2708748 | May 17, 1955 | Code conversion | STRAUBE HAROLD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2708727 | May 17, 1955 | Helix coupling arrangements | QUATE CALVIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2708720 | May 17, 1955 | Transistor trigger circuit | ANDERSON ALVA EUGENE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2709147 | May 24, 1955 | Methods for bonding silica bodies | ZIEGLER ARTHUR W | BELL TELEPHONE LABOR INC |
| 2708787 | May 24, 1955 | Fabrication of metal to ceramic seals | CHICK ARTHUR J ; SPECK LAWRENCE J | BELL TELEPHONE LABOR INC |
| 2709787 | May 31, 1955 | Semiconductor signal translating device | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2709780 | May 31, 1955 | Constant voltage semiconductor devices | KIRCHER REYMOND J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2709771 | May 31, 1955 | Pulse counting and registration system | DEHN JOSEPH W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2709722 | May 31, 1955 | Service observing on toll cords and trunks | ROSENE VICTOR E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2710945 | June 14, 1955 | Mode suppression in resonant cavities | EDSON WILLIAM A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2710944 | June 14, 1955 | Interstage coupling network | BANGERT JOHN T | BELL TELEPHONE LABOR INC |
| 2710922 | June 14, 1955 | High frequency oscillator | HINES MARION E | BELL TELEPHONE LABOR INC |
| 2710921 | June 14, 1955 | Frequency divider apparatus | MELSHEIMER ROBERT S | BELL TELEPHONE LABOR INC |
| 2710892 | June 14, 1955 | Speech transmission system | DAHLBOM CARL A ; ALLAN WEAVER | BELL TELEPHONE LABOR INC |
| 2710891 | June 14, 1955 | Telegraph service board circuits | FITCH KARL E ; NEISWINTER JAMES T ; PURVIS MATTHEW R ; VANDERLIPPE RICHARD A | AMERICAN TELEPHONE & TELEGRAPH BELL TELEPHONE LABOR INC |
| 2710720 | June 14, 1955 | Artillery computer | BLACKMAN RALPH B ; BODE HENDRIK W | BELL TELEPHONE LABOR INC |
| 2711515 | June 21, 1955 | Delay line | MASON WARREN P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2711511 | June 21, 1955 | Electrical hygrometer | PIETENPOL WILLIAM J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2712067 | June 28, 1955 | Metallic lens directive antenna systems | KOCK WINSTON E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2712605 | July 5, 1955 | Oscillation generator | FIELD LESTER M | BELL TELEPHONE LABOR INC |
| 2712536 | July 5, 1955 | Production of polymer spheres | WINSLOW FIELD H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2713153 | July 12, 1955 | Orifice coupling to resonant cavities | KANNENBERG WALTER F | BELL TELEPHONE LABOR INC |
| 2713665 | July 19, 1955 | Transistor modulator circuits | RAISBECK GORDON ; JR. ROBERT LEE WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2713650 | July 19, 1955 | Electron discharge devices | SEARS RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2713617 | July 19, 1955 | Repetitive telephone calling system employing power supplied over the subscriber's loop | DUNLAP KERMIT S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2713613 | July 19, 1955 | Arrangement for supplying alternating current power for actuating telephone subscriber's station equipment over the subscriber's loop circuit | MALTHANER WILLIAM A ; VAUGHAN HENRY E | BELL TELEPHONE LABOR INC |
| 2714182 | July 26, 1955 | Hall effect devices | JR. WILLIAM H. HEWITT, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2714000 | July 26, 1955 | Spring return mechanism | O'CONNOR THOMAS J. ; WILLIAMS CLAYTON H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2714702 | August 2, 1955 | Circuits, including semiconductor device | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2714642 | August 2, 1955 | High speed relay of electromechanical transducer material | KINSLEY THOMAS G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2714632 | August 2, 1955 | Ringing generator and interrupter using electron tubes | HALL NATHAN I ; KORN FRANKLIN A ; POWELL HAROLD E | BELL TELEPHONE LABOR INC |
| 2714626 | August 2, 1955 | Private line intercommunicating teletypewriter system | LOCKE GEORGE A. ; MELHUISH LAWRENCE E. ; JR. BERNARD OSTENDORF, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2715658 | August 16, 1955 | Electrical information system | DUNLAP KERMIT S. ; LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2715657 | August 16, 1955 | Electrical information system | JR. FREDERICK T. ANDREWS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2715656 | August 16, 1955 | Electrical information system | JR. FREDERICK T. ANDREWS, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2716232 | August 23, 1955 | Flux modulated ringer | POWER JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2716202 | August 23, 1955 | Microwave amplifier electron discharge device | LITTLE JOHN B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2716164 | August 23, 1955 | Electrical switch | ANDERSON ATTELL B | BELL TELEPHONE LABOR INC |
| 2716160 | August 23, 1955 | Brake for telephone calling dials | PITT ROBERT S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2715996 | August 23, 1955 | Counting circuit | AVERY ROBERT C | BELL TELEPHONE LABOR INC |
| 2715922 | August 23, 1955 | Method and apparatus for forming cables | MILOCHE HERMAN A | BELL TELEPHONE LABOR INC |
| 2716729 | August 30, 1955 | Transistor circuits with constant output current | SHOCKLEY WILLIAM | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2716622 | August 30, 1955 | Method and apparatus for spray coating articles | FOSTER ORRINGTON C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717373 | September 6, 1955 | Ferroelectric storage device and circuit | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717372 | September 6, 1955 | Ferroelectric storage device and circuit | ANDERSON JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717342 | September 6, 1955 | Semiconductor translating devices | PFANN WILLIAM G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717280 | September 6, 1955 | Signaling or dialing system | LOVELL CLARENCE A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717279 | September 6, 1955 | Multiparty selective signaling and identification system | MATLACK RICHARD C. ; METZGER FREDERICK W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717984 | September 13, 1955 | Adjustable inductance device | HALE STUART G. ; NUTTMAN CHARLES W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2717956 | September 13, 1955 | Reduction of quadrature distortion | EGLIN JAMES M | BELL TELEPHONE LABOR INC |
| 2718622 | September 20, 1955 | Attenuation equalizer | HARKLESS EARL T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2718613 | September 20, 1955 | Transistor circuit for operating a relay | HARRIS JAMES R | BELL TELEPHONE LABOR INC |
| 2718592 | September 20, 1955 | Antenna | SMITH PHILLIP H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2718589 | September 20, 1955 | Radio relay system | STAPLES ELLIOT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2718549 | September 20, 1955 | Continuous film motion projector for television cameras and film recorders | MATTKE CHARLES F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719289 | September 27, 1955 | Electrical conversion system with high and low voltage alarm | JR. JOHN M. BARSTOW, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719272 | September 27, 1955 | Reduction of transient effects in wide band transmission systems | GANNETT DANFORTH K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719270 | September 27, 1955 | Transmission regulation | KETCHLEDGE RAYMOND W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719246 | September 27, 1955 | Electron discharge device | GODDARD CHARLES T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719190 | September 27, 1955 | High-efficiency translating circuit | GORDON RAISBECK | BELL TELEPHONE LABOR INC |
| 2719189 | September 27, 1955 | Prevention of interpulse interference in pulse multiplex transmission | BENNETT WILLIAM R ; FELDMAN CARL B H | BELL TELEPHONE LABOR INC |
| 2719188 | September 27, 1955 | Non-synchronous time division multiplex telephone transmission | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719187 | September 27, 1955 | High frequency pulse transmission | PIERCE JOHN R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719964 | October 4, 1955 | Magnetic surface writing circuit utilizing magnetic cores | MCGUIGAN JOHN H. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719962 | October 4, 1955 | Electrical circuit employing magnetic cores | KARNAUGH MAURICE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719961 | October 4, 1955 | Electrical circuit employing magnetic cores | KARNAUGH MAURICE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719960 | October 4, 1955 | Alarm sending system | BACHELET ALBERT E ; PULLIS GEORGE A | BELL TELEPHONE LABOR INC |
| 2719886 | October 4, 1955 | Intertoll trunk testing system | SHOFFSTALL HUGH F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719881 | October 4, 1955 | Line finder for step-by-step telephone system | DUBUAR ARTHUR S. ; RIDDELL GEORGE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719775 | October 4, 1955 | Stylus assembly | JR. CHARLES H. ERVING, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2719773 | October 4, 1955 | Electrical circuit employing magnetic cores | KARNAUGH MAURICE | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2720630 | October 11, 1955 | Orifice coupling for high q cavities | KANNENBERG WALTER F ; WILSON IRA G | BELL TELEPHONE LABOR INC |
| 2720629 | October 11, 1955 | Orifice coupling to resonant cavities | EDSON WILLIAM A. ; LANGE RUSSELL W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2720627 | October 11, 1955 | Impedance matching networks | LLEWELLYN FREDERICK B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2720557 | October 11, 1955 | Time division pulse code modulation system employing continuous coding tube | GOODALL WILLIAM M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2721235 | October 18, 1955 | Electrical transmission testing system | BURTON MCKIM ; NEELY THOMAS H | BELL TELEPHONE LABOR INC |
| 2721980 | October 25, 1955 | Oscillator system | HOPPER ANDREW L | BELL TELEPHONE LABOR INC |
| 2721937 | October 25, 1955 | Relaxation oscillator | BRAGA FELIX J | BELL TELEPHONE LABOR INC |
| 2721935 | October 25, 1955 | Duplex radio telephone system | DORFF LOUIS A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2721910 | October 25, 1955 | Routine line insulation testing circuit | AVERY ROBERT C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2721903 | October 25, 1955 | Line selection system | AVERY ROBERT C | BELL TELEPHONE LABOR INC |
| 2721900 | October 25, 1955 | Non-linear encoded transmission | OLIVER BERNARD M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2721897 | October 25, 1955 | Carrier wave communication system | SCHNECKLOTH HARRY H. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2722675 | November 1, 1955 | Pulse counting system | JOSEPH MICHAL ; STAEHLER ROBERT E | BELL TELEPHONE LABOR INC |
| 2722664 | November 1, 1955 | Adjustable inductance device | DUNCAN ROBERT S ; STONE JR HENRY A | BELL TELEPHONE LABOR INC |
| 2722655 | November 1, 1955 | Line voltage regulator | ANDERSON FREDERIC W | BELL TELEPHONE LABOR INC |
| 2722603 | November 1, 1955 | Peak voltage limiter | DIMOND THOMAS L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2722490 | November 1, 1955 | Germanium elements and methods of preparing same | HAYNES JAMES R ; HEIDENREICH ROBERT D | BELL TELEPHONE LABOR INC |
| 2723355 | November 8, 1955 | Diode gate circuit | GRAHAM ROBERT E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2723312 | November 8, 1955 | Magnetic drum dial pulse recording and storage registers | MCGUIGAN JOHN H. ; MURPHY ORLANDO J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2723311 | November 8, 1955 | Common control telephone systems | MALTHANER WILLIAM A. ; VAUGHAN HENRY E. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2723308 | November 8, 1955 | Automatic transcribing system | VROOM EDWARD | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724103 | November 15, 1955 | Electrical circuits employing magnetic core memory elements | ASHENHURST ROBERT L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2723556 | November 15, 1955 | Ultrasonic velocity measuring device | WILLARD GERALD W. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724806 | November 22, 1955 | Electromagnetic wave hybrid junction coaxial transmission line structures | TILLOTSON LE ROY C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724793 | November 22, 1955 | Protector | FISHER EARL L | BELL TELEPHONE LABOR INC |
| 2724780 | November 22, 1955 | Inhibited trigger circuits | HARRIS JAMES R. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724771 | November 22, 1955 | Pulse generator utilizing bombardment induced conductivity | MCKAY KENNETH G. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724761 | November 22, 1955 | High tolerance impedance elements and methods of making them | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2724746 | November 22, 1955 | Communication system | BRUCE EDMOND ; REENSTRA WILLARD A. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724745 | November 22, 1955 | Signal amplitude detector and indicator | BREWER SHERMAN T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724744 | November 22, 1955 | Remote line concentrator | BREWER SHERMAN T. ; REENSTRA WILLARD A. ; RITCHIE WESSON J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724742 | November 22, 1955 | Suppressed-carrier amplitude modulation | CHESNUT FLORENCE P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724740 | November 22, 1955 | Quantized transmission with variable quanta | CUTLER CASSIUS C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724663 | November 22, 1955 | Plural metal vapor coating | BOND WALTER L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2724216 | November 22, 1955 | Method of fabricating electrode spacers | CISNE LUTHER E | BELL TELEPHONE LABOR INC |
| 2725555 | November 29, 1955 | Automatic frequency control | HOPPER ANDREW L. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2725499 | November 29, 1955 | High frequency amplifying device | FIELD LESTER M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2725424 | November 29, 1955 | Error-voltage-sensitive differential amplifier | OLIVER BERNARD M | BELL TELEPHONE LABOR INC |
| 2725317 | November 29, 1955 | Method of fabricating and heat treating semiconductors | KLEIMACK JOSEPH J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2725316 | November 29, 1955 | Method of preparing pn junctions in semiconductors | FULLER CALVIN S. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2725315 | November 29, 1955 | Method of fabricating semiconductive bodies | FULLER CALVIN S | BELL TELEPHONE LABOR INC |
| 2725198 | November 29, 1955 | Hand-operated wiring tool | RECK FRANK | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2726370 | December 6, 1955 | Negative impedance converters employing transistors | LINVILL JOHN G. ; JR. ROBERT L. WALLACE, | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2726368 | December 6, 1955 | Broad-band phase-shifting circuit | BANGERT JOHN T ; GREEN ESTILL I | BELL TELEPHONE LABOR INC |
| 2726330 | December 6, 1955 | Pulse ordering circuit | MACWILLIAMS JR WALTER H ; ONG FLOYD C | BELL TELEPHONE LABOR INC |
| 2726328 | December 6, 1955 | Binary storage system | CLOGSTON ALBERT M. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2726291 | December 6, 1955 | Traveling wave tube | QUATE CALVIN F. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2726074 | December 6, 1955 | Acceleration measuring system | KETCHLEDGE RAYMOND W | BELL TELEPHONE LABOR INC |
| 2727214 | December 13, 1955 | Acoustic delay line using solid rods | MCSKIMIN HERBERT J. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2727191 | December 13, 1955 | Relay armature spring | KINSIEY THOMAS G | BELL TELEPHONE LABOR INC |
| 2727103 | December 13, 1955 | Click eliminating means for threeposition type keys | BARBER CHARLES C. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2727092 | December 13, 1955 | Transverter | CAHILL HAROLD D. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2728074 | December 20, 1955 | Community alarm system | ORFEO CESAREO | BELL TELEPHONE LABOR INC |
| 2728053 | December 20, 1955 | Transmission network using transistors | BANGERT JOHN T. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2728051 | December 20, 1955 | Impedance transformers | ROSE CHARLES F. P. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2727840 | December 20, 1955 | Methods of producing semiconductive bodies | TEAL GORDON K. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2727839 | December 20, 1955 | Method of producing semiconductive bodies | MORGAN SPARKS | BELL TELEPHONE LABOR INC |
| 2727308 | December 20, 1955 | Plotting arm | JR. JOHN J. KUHN, ; WATROUS ALBERT B. | BELL TELEPHONE LABORATORIES, INCORPORATED |
| 2728906 | December 27, 1955 | Telegraph signal receiving system | REA WILTON T. | BELL TELEPHONE LABORATORIES, INCORPORATED |