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Murray Hill, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Photonic-integrated-circuit fabrication process
Patent number
5,147,825
Issue date
Sep 15, 1992
Bell Telephone Laboratories, Inc.
Thomas L. Koch
G02 - OPTICS
Information
Patent Grant
Tone spacing and power level monitor for FSK lightwave systems
Patent number
5,132,829
Issue date
Jul 21, 1992
Bell Telephone Laboratories Inc.
Liang D. Tzeng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diversity receiver arrangement for digital signals
Patent number
5,109,392
Issue date
Apr 28, 1992
Bell Telephone Laboratories, Inc.
Oliver F. McDonald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Submicron bipolar transistor with edge contacts
Patent number
H763
Issue date
Apr 3, 1990
Bell Telephone Laboratories, Incorporated
Anatoly Feygenson
357 -
Information
Patent Grant
Integrated circuits with component placement by rectilinear partiti...
Patent number
4,908,772
Issue date
Mar 13, 1990
Bell Telephone Laboratories
Mely C. Chi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Resistive field shields for high voltage devices
Patent number
H665
Issue date
Aug 1, 1989
Bell Telephone Laboratories, Incorporated
William R. Knolle
357 -
Information
Patent Grant
Process for producing conductor patterns on three dimensional articles
Patent number
4,837,129
Issue date
Jun 6, 1989
Kollmorgen Technologies Corp.
David C. Frisch
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
On-line documentation facility
Patent number
4,800,485
Issue date
Jan 24, 1989
American Telephone and Telegraph Company
John M. Ackroff
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical package with improved fiber alignment fixture
Patent number
H551
Issue date
Dec 6, 1988
American Telephone and Telegraph Company
Ghazi M. Chaoui
350 -
Information
Patent Grant
Adaptive equalizer utilizing a plurality of multiplier-accumulator...
Patent number
4,773,034
Issue date
Sep 20, 1988
American Telephone and Telegraph Company
Walter Debus
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Simplified recovery of data signals from quadrature-related carrier...
Patent number
4,759,039
Issue date
Jul 19, 1988
American Telephone and Telegraph Company
Walter Debus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passband equalization of modulated quadrature-related carrier signals
Patent number
4,759,037
Issue date
Jul 19, 1988
American Telephone and Telegraph Company
Walter Debus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Decision-directed control circuit
Patent number
4,759,036
Issue date
Jul 19, 1988
American Telephone and Telegraph Company
Martin H. Meyers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of producing SOI devices
Patent number
4,752,590
Issue date
Jun 21, 1988
Bell Telephone Laboratories, Incorporated
Arthur C. Adams
C30 - CRYSTAL GROWTH
Information
Patent Grant
Unidirectional second order gradient microphone
Patent number
4,742,548
Issue date
May 3, 1988
American Telephone and Telegraph Company
Martin Sessler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrical connectors for circuit panels
Patent number
4,738,625
Issue date
Apr 19, 1988
Bell Telephone Laboratories, Inc.
William H. Burton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wall-mounted microphone
Patent number
D295169
Issue date
Apr 12, 1988
American Telephone and Telegraph Company
Gihyun Cho
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Technique for synthesizing the modulation of a time varying wavefor...
Patent number
4,736,389
Issue date
Apr 5, 1988
American Telephone and Telegraph Company
Walter Debus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resistive line feed circuit
Patent number
4,736,415
Issue date
Apr 5, 1988
American Telephone and Telegraph Company
Bruce W. McNeill
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vestigial sideband signal decoder
Patent number
4,730,345
Issue date
Mar 8, 1988
American Telephone and Telegraph Company
Howard C. Reeve
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terrestrial communications system
Patent number
4,730,310
Issue date
Mar 8, 1988
American Telephone and Telegraph Company
Anthony Acampora
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Oscillator circuit utilizing multiple semiconductor devices
Patent number
4,728,908
Issue date
Mar 1, 1988
American Telephone and Telegraph Company
Joseph Gonda
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Timing and carrier recovery in dual polarization communications sys...
Patent number
4,727,534
Issue date
Feb 23, 1988
American Telephone and Telegraph Company
Walter Debus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data decision-directed timing and carrier recovery circuits
Patent number
4,726,043
Issue date
Feb 16, 1988
American Telephone and Telegraph Company
Louis Y. Levesque
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for locating programs resident on a cartridge of a cartri...
Patent number
4,703,416
Issue date
Oct 27, 1987
American Telephone and Telegraph Company
Joseph A. Crupi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Supervisory audio tone detection in a radio channel
Patent number
4,698,769
Issue date
Oct 6, 1987
American Telephone and Telegraph Company
Ross McPherson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock adjustment method and apparatus for synchronous data communic...
Patent number
4,694,472
Issue date
Sep 15, 1987
American Telephone and Telegraph Company
Gabor P. Torok
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer system with tasking
Patent number
4,685,125
Issue date
Aug 4, 1987
American Telephone and Telegraph Company
Derek A. Zave
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Time slot polling arrangement for multiple stage time division switch
Patent number
4,672,604
Issue date
Jun 9, 1987
American Telephone and Telegraph Company
Rajiv Bhatia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic network for collective decision based on large number of...
Patent number
4,660,166
Issue date
Apr 21, 1987
Bell Telephone Laboratories, Incorporated
John J. Hopfield
G06 - COMPUTING CALCULATING COUNTING
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last 30 patents
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