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Sam E. J. Chan

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  • Tsuen Wan, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Computer keyboard backlighting
    • Patent number 7,335,843
    • Issue date Feb 26, 2008
    • FireFly International, Inc.
    • Sam E. J. Chan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Backlighting for computer keyboard
    • Patent number 6,765,503
    • Issue date Jul 20, 2004
    • Lightpath Technologies, Inc.
    • Sam E. J. Chan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Backlighting for computer keyboard
    • Patent number 6,322,229
    • Issue date Nov 27, 2001
    • Questech International, Inc.
    • Sam E. J. Chan
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Angel watch
    • Patent number D380162
    • Issue date Jun 24, 1997
    • Sam E. J. Chan
    • D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents

  • Information Patent Application

    Computer keyboard backlighting
    • Publication number 20060011461
    • Publication date Jan 19, 2006
    • Sam E. J. Chan
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Backlighting for computer keyboard
    • Publication number 20050083214
    • Publication date Apr 21, 2005
    • Sam E. J. Chan
    • G05 - CONTROLLING REGULATING