TREA

David Dunn

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  • Toronto, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Caller ID display buttons
    • Patent number D420672
    • Issue date Feb 15, 2000
    • Aastra Technologies Limited
    • David Dunn
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Caller ID display device
    • Patent number D420009
    • Issue date Feb 1, 2000
    • Aastra Technologies Limited
    • David Dunn
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Caller ID display stand extension
    • Patent number D419566
    • Issue date Jan 25, 2000
    • Aastra Technologies Limited
    • David Dunn
    • D14 - Recording, communication, or information retrieval equipment