TREA

Peter John Roberts

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  • Bath, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical waveguide
    • Patent number 7,532,798
    • Issue date May 12, 2009
    • Crystal Fibre A/S
    • David Philip Williams
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Photonic bandgap optical waveguide with anti-resonant core boundary
    • Patent number 7,346,249
    • Issue date Mar 18, 2008
    • Crystal Fibre A/S
    • Philip St. John Russell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical waveguide
    • Patent number 7,321,712
    • Issue date Jan 22, 2008
    • Crystal Fibre A/S
    • David Philip Williams
    • C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL WAVEGUIDE
    • Publication number 20080138023
    • Publication date Jun 12, 2008
    • CRYSTAL FIBRE A/S
    • David Philip Williams
    • G02 - OPTICS
  • Information Patent Application

    Photonic bandgap optical waveguidewith anti-resonant core boundary
    • Publication number 20070009216
    • Publication date Jan 11, 2007
    • Crystal Fibre A/S
    • Philip St. John Russell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Optical waveguide
    • Publication number 20050276556
    • Publication date Dec 15, 2005
    • Crystal Fibre A/S
    • David Philip Williams
    • G02 - OPTICS