TREA

Melvin J. Roberts

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  • Kanata, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interface device
    • Patent number 5,867,496
    • Issue date Feb 2, 1999
    • Mitel Corporation
    • Mauricio Peres
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone tone detector
    • Patent number 4,868,872
    • Issue date Sep 19, 1989
    • Mitel Corporation
    • Melvin J. Roberts
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE