TREA

David Eric Timmons

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  • Clarksville, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual pen interactive whiteboard system
    • Patent number 8,411,053
    • Issue date Apr 2, 2013
    • Einstruction Corporation
    • Dana Gene Doubrava
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Collaborative input system
    • Patent number 6,930,673
    • Issue date Aug 16, 2005
    • GTCO CalComp
    • Stephen T. Kaye
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Dual Pen Interactive Whiteboard System
    • Publication number 20100156831
    • Publication date Jun 24, 2010
    • Dana Gene Doubrava
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Collaborative input system
    • Publication number 20020056577
    • Publication date May 16, 2002
    • Stephen T. Kaye
    • G06 - COMPUTING CALCULATING COUNTING