TREA

American Telephone and Telegraph Company

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  • Murray Hill, NJ, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Programmable data packet buffer prioritization arrangement
    • Patent number 4,953,157
    • Issue date Aug 28, 1990
    • American Telephone and Telegraph Company
    • Andrew D. Franklin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Audiographics conferencing arrangement
    • Patent number 4,953,159
    • Issue date Aug 28, 1990
    • American Telephone and Telegraph Company
    • Charles C. Hayden
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Keyboard
    • Patent number D307748
    • Issue date May 8, 1990
    • American Telephone & Telegraph Company
    • Ramon M. Cardona
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Analog comparator
    • Patent number 4,902,913
    • Issue date Feb 20, 1990
    • American Telephone and Telegraph Company
    • Jerrell P. Hein
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Subassembly for optoelectronic devices
    • Patent number 4,897,711
    • Issue date Jan 30, 1990
    • American Telephone and Telegraph Company
    • Greg E. Blonder
    • G02 - OPTICS
  • Information Patent Grant

    Packet switching network
    • Patent number 4,891,803
    • Issue date Jan 2, 1990
    • American Telephone and Telegraph Company
    • Alan Huang
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical systems with thin film polarization rotators and method for...
    • Patent number 4,886,332
    • Issue date Dec 12, 1989
    • American Telephone and Telegraph Company
    • Raymond Wolfe
    • G02 - OPTICS
  • Information Patent Grant

    Deep-uv lithography
    • Patent number 4,883,352
    • Issue date Nov 28, 1989
    • American Telephone and Telegraph Company
    • John H. Bruning
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Adjunct processor for providing computer facility access protection...
    • Patent number 4,876,717
    • Issue date Oct 24, 1989
    • American Telephone and Telegraph Company
    • Salvador Barron
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Multilayer ceramic laser package
    • Patent number 4,873,566
    • Issue date Oct 10, 1989
    • American Telephone and Telegraph Company
    • John L. Hokanson
    • G02 - OPTICS
  • Information Patent Grant

    Ferroelectric liquid crystal devices
    • Patent number 4,867,539
    • Issue date Sep 19, 1989
    • American Telephone and Telegraph Company
    • John W. Goodby
    • G02 - OPTICS
  • Information Patent Grant

    Digital video encoder
    • Patent number 4,866,510
    • Issue date Sep 12, 1989
    • American Telephone and Telegraph Company
    • Douglas J. Goodfellow
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Carry look-ahead technique having a reduced number of logic levels
    • Patent number 4,858,168
    • Issue date Aug 15, 1989
    • American Telephone and Telegraph Company
    • InSeok S. Hwang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Technique for fabricating complementary dielectrically isolated wafer
    • Patent number 4,820,653
    • Issue date Apr 11, 1989
    • American Telephone and Telegraph Company
    • William G. Easter
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Water resistant communications cable
    • Patent number 4,815,813
    • Issue date Mar 28, 1989
    • American Telephone and Telegraph Company
    • Candido J. Arroyo
    • G02 - OPTICS
  • Information Patent Grant

    Method of making a glass body having a graded refractive index profile
    • Patent number 4,812,153
    • Issue date Mar 14, 1989
    • American Telephone and Telegraph Company
    • Matthew J. Andrejco
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Cellular pager
    • Patent number H610
    • Issue date Mar 7, 1989
    • American Telephone and Telegraph Company
    • Joseph F. Focarile
    • 379 - Telephonic communications
  • Information Patent Grant

    Local area network system
    • Patent number 4,807,961
    • Issue date Feb 28, 1989
    • American Telephone and Telegraph Company
    • Francis J. Mullin
    • G02 - OPTICS
  • Information Patent Grant

    Noise reduction processing arrangement for microphone arrays
    • Patent number 4,802,227
    • Issue date Jan 31, 1989
    • American Telephone and Telegraph Company
    • Gary W. Elko
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Data compaction
    • Patent number 4,796,003
    • Issue date Jan 3, 1989
    • American Telephone and Telegraph Company
    • Jon L. Bentley
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Telephone call charge allocation arrangement
    • Patent number 4,788,719
    • Issue date Nov 29, 1988
    • American Telephone and Telegraph Company
    • Shiv K. Gupta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Collision detection arrangement for daisy chain configurations
    • Patent number 4,779,088
    • Issue date Oct 18, 1988
    • American Telephone and Telegraph Company
    • Mario A. Restrepo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wideband switching system
    • Patent number 4,769,833
    • Issue date Sep 6, 1988
    • American Telephone & Telegraph Company
    • Scott E. Farleigh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone stand
    • Patent number D297534
    • Issue date Sep 6, 1988
    • American Telephone and Telegraph Company
    • Randy R. Daniels
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Optical fiber connector
    • Patent number 4,763,978
    • Issue date Aug 16, 1988
    • American Telephone and Telegraph Company
    • Jeofry S. Courtney-Pratt
    • G02 - OPTICS
  • Information Patent Grant

    Stripline mount for semiconductor lasers
    • Patent number 4,761,788
    • Issue date Aug 2, 1988
    • American Telephone and Telegraph Company
    • Norman R. Dietrich
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Telephone stand
    • Patent number D296693
    • Issue date Jul 12, 1988
    • American Telephone and Telegraph Company
    • Charles B. Davidson
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Memory control circuit permitting microcomputer system to utilize s...
    • Patent number 4,755,964
    • Issue date Jul 5, 1988
    • American Telephone and Telegraph Company
    • Jeffrey G. Miner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Station number portability
    • Patent number 4,754,479
    • Issue date Jun 28, 1988
    • American Telephone & Telegraph Company
    • Rainie M. Bicknell
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High speed quantum well optical detector
    • Patent number 4,749,850
    • Issue date Jun 7, 1988
    • American Telephone and Telegraph Company
    • Daniel S. Chemla
    • B82 - NANO-TECHNOLOGY

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