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Ian W Marshall

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  • Woodbridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Layered communications network with adaptively distributed nodal po...
    • Patent number 7,346,704
    • Issue date Mar 18, 2008
    • British Telecommunications public limited company
    • Christopher M Roadknight
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for locating devices
    • Patent number 7,123,925
    • Issue date Oct 17, 2006
    • British Telecommunications public limited company
    • David P. Robinson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communications network
    • Patent number 6,982,955
    • Issue date Jan 3, 2006
    • British Telecommunications public limited company
    • Ian W Marshall
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical processing in asynchronous transfer mode network
    • Patent number 5,619,360
    • Issue date Apr 8, 1997
    • British Telecommunications p.l.c.
    • Ian W. Marshall
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical amplifier
    • Patent number 5,142,408
    • Issue date Aug 25, 1992
    • British Telecommunications
    • Ian W. Marshall
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High gain semiconductor laser amplifier package
    • Patent number 5,134,621
    • Issue date Jul 28, 1992
    • British Telecommunications public limited company
    • Ian W. Marshall
    • G02 - OPTICS
  • Information Patent Grant

    Laser amplifier
    • Patent number 5,132,978
    • Issue date Jul 21, 1992
    • British Telecommunications public limited company
    • Ian W. Marshall
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Non-linear optical amplification
    • Patent number 5,111,153
    • Issue date May 5, 1992
    • British Telecommunications public limited company
    • Michael J. O'Mahony
    • G02 - OPTICS
  • Information Patent Grant

    Optical package
    • Patent number 5,016,965
    • Issue date May 21, 1991
    • British Telecommunications Public Limited Company
    • Ian W. Marshall
    • G02 - OPTICS

Patents Applicationslast 30 patents