TREA

Leslie D. Westbrook

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  • Southam, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Telecommunications system
    • Patent number 6,731,880
    • Issue date May 4, 2004
    • Microwave Photonics, Inc.
    • Leslie D Westbrook
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telecommunications system simultaneously receiving and modulating a...
    • Patent number 6,525,855
    • Issue date Feb 25, 2003
    • British Telecommunications public limited company
    • Leslie D Westbrook
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical transmitter
    • Patent number 6,320,688
    • Issue date Nov 20, 2001
    • British Telecommunications public limited company
    • Leslie D Westbrook
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Distributed feedback lasers
    • Patent number 5,329,542
    • Issue date Jul 12, 1994
    • British Telecommunications public limited company
    • Leslie D. Westbrook
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for fabricating a semiconductor stripe laser
    • Patent number 5,026,662
    • Issue date Jun 25, 1991
    • British Telecommunications public limited company
    • Leslie D. Westbrook
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser structures
    • Patent number 4,964,134
    • Issue date Oct 16, 1990
    • British Telecommunications public limited company
    • Leslie D. Westbrook
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Ridge waveguide optical devices
    • Patent number 4,805,184
    • Issue date Feb 14, 1989
    • British Telecommunications, plc
    • Philip J. Fiddyment
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor lasers
    • Patent number 4,754,459
    • Issue date Jun 28, 1988
    • British Telecommunications p.l.c.
    • Leslie D. Westbrook
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Growth of semiconductors on a shaped semiconductor substrate
    • Patent number 4,734,387
    • Issue date Mar 29, 1988
    • British Telecommunications plc
    • Andrew W. Nelson
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Method of making ridge waveguide lasers
    • Patent number 4,728,628
    • Issue date Mar 1, 1988
    • British Telecommunications public limited company
    • Philip J. Fiddyment
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Telecommunications system
    • Publication number 20030016418
    • Publication date Jan 23, 2003
    • British Telecommunications Public Limited Company
    • Leslie D. Westbrook
    • G02 - OPTICS