TREA

David Spells

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  • Sachse, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Layered master pages
    • Patent number 8,700,994
    • Issue date Apr 15, 2014
    • Adobe Systems Incorporated
    • David Spells
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Layered master pages
    • Patent number 8,020,092
    • Issue date Sep 13, 2011
    • Adobe Systems Incorporated
    • David Spells
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Layered master pages
    • Patent number 7,467,351
    • Issue date Dec 16, 2008
    • Adobe Systems Incorporated
    • David Spells
    • G06 - COMPUTING CALCULATING COUNTING