TREA

Carl Engelbrecht

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  • Los Gatos, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pay telephone
    • Patent number D434745
    • Issue date Dec 5, 2000
    • Tatung Telecom Corporation
    • Douglas Lau
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headset for headmounted display
    • Patent number D429253
    • Issue date Aug 8, 2000
    • Colorado MicroDisplay, Inc.
    • James B. Robertson
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Display head set
    • Patent number D402651
    • Issue date Dec 15, 1998
    • Colorado MicroDisplay, Inc.
    • Dean A. Depay
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset
    • Patent number D371553
    • Issue date Jul 9, 1996
    • Claircom Communications Group, Inc.
    • Richard A. Shields
    • D14 - Recording, communication, or information retrieval equipment