TREA

Erik A. Holverson

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  • Hoffman Estates, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing device having writing tip and stylus tip
    • Patent number 9,092,077
    • Issue date Jul 28, 2015
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electrically conductive touch pen
    • Patent number 8,847,930
    • Issue date Sep 30, 2014
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING DEVICE HAVING WRITING TIP AND STYLUS TIP
    • Publication number 20150015523
    • Publication date Jan 15, 2015
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE TOUCH PEN
    • Publication number 20130038579
    • Publication date Feb 14, 2013
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES