TREA

Andrew Robertson

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  • Oxford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable focus lens and spectacles
    • Patent number 8,002,403
    • Issue date Aug 23, 2011
    • Joshua David Silver
    • G02 - OPTICS
  • Information Patent Grant

    Variable focus lens
    • Patent number 7,768,712
    • Issue date Aug 3, 2010
    • J & J Technologies Limited
    • Joshua David Silver
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE FOCUS LENS
    • Publication number 20110157712
    • Publication date Jun 30, 2011
    • Joshua David Silver
    • G02 - OPTICS
  • Information Patent Application

    VARIABLE FOCUS LENS AND SPECTACLES
    • Publication number 20100053543
    • Publication date Mar 4, 2010
    • Joshua David Silver
    • G02 - OPTICS
  • Information Patent Application

    VARIABLE FOCUS LENS AND SPECTACLES
    • Publication number 20100045930
    • Publication date Feb 25, 2010
    • Joshua David Silver
    • G02 - OPTICS
  • Information Patent Application

    VARIABLE FOCUS LENS
    • Publication number 20090213471
    • Publication date Aug 27, 2009
    • J & J TECHNOLOGIES LIMITED
    • Joshua David Silver
    • G02 - OPTICS