TREA

Andrew S. Dibner

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  • Newton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Telephone ring detector
    • Patent number 5,544,241
    • Issue date Aug 6, 1996
    • Dibner; Andrew S.
    • Andrew S. Dibner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Closed-loop emergency alarm and response system
    • Patent number 4,064,368
    • Issue date Dec 20, 1977
    • Lifeline Systems, Inc.
    • Andrew S. Dibner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic telephone alarm system
    • Patent number 3,989,900
    • Issue date Nov 2, 1976
    • Lifeline Systems, Inc.
    • Andrew S. Dibner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE