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Robert A. Hayes

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  • Sai Kung, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrowetting element with protrusion
    • Patent number 10,802,266
    • Issue date Oct 13, 2020
    • Amazon Technologies, Inc.
    • Toru Sakai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electrowetting elements
    • Patent number 8,980,141
    • Issue date Mar 17, 2015
    • Amazon Technologies, Inc.
    • Melanie Maria Hubertina Van De Weijer-Wagemans
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Optical apparatus
    • Patent number 8,908,254
    • Issue date Dec 9, 2014
    • Amazon Technologies, Inc.
    • Bokke Johannes Feenstra
    • G02 - OPTICS
  • Information Patent Grant

    Transflective electrowetting display device
    • Patent number 7,903,317
    • Issue date Mar 8, 2011
    • Liquavista B.V.
    • Bokke Johannes Feenstra
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROWETTING ELEMENTS
    • Publication number 20110226998
    • Publication date Sep 22, 2011
    • LIQUAVISTA B.V.
    • Melanie Maria Hubertina Van De Weijer-Wagemans
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL APPARATUS
    • Publication number 20100296149
    • Publication date Nov 25, 2010
    • Bokke Johannes Feenstra
    • G02 - OPTICS
  • Information Patent Application

    TRANSFLECTIVE ELECTROWETTING DISPLAY DEVICE
    • Publication number 20090284824
    • Publication date Nov 19, 2009
    • LIQUAVISTA B.V.
    • Bokke Johannes Feenstra
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS