TREA

K. John Drinkwater

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  • Fleet, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical security device
    • Patent number 8,174,743
    • Issue date May 8, 2012
    • Optaglio Limited
    • K. John Drinkwater
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

  • Information Patent Application

    DIFFRACTIVE DEVICE
    • Publication number 20100085642
    • Publication date Apr 8, 2010
    • Optaglio Limited
    • K. John Drinkwater
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    OPTICAL SECURITY DEVICE
    • Publication number 20090316238
    • Publication date Dec 24, 2009
    • Optaglio Limited
    • K. John Drinkwater
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    Diffractive device
    • Publication number 20050270604
    • Publication date Dec 8, 2005
    • Optaglio Limited
    • K. John Drinkwater
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER