TREA

Jeffrey R. Held

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital audio book cartridge and player with manipulation-facilitat...
    • Patent number 8,049,991
    • Issue date Nov 1, 2011
    • Gilles Pépin
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Player
    • Patent number D582430
    • Issue date Dec 9, 2008
    • Technologies Humanware Canada, Inc.
    • Gilles Pepin
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Cartridge
    • Patent number D579940
    • Issue date Nov 4, 2008
    • Technologies Humanware Canada, Inc.
    • Gilles Pepin
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents