TREA

David E. Earls

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  • Norwalk, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Intruder alarm
    • Patent number 4,166,428
    • Issue date Sep 4, 1979
    • General Time Corporation
    • John D. Freeman
    • G08 - SIGNALLING
  • Information Patent Grant

    Electronic chime and strike system
    • Patent number 4,073,133
    • Issue date Feb 14, 1978
    • General Time Corporation
    • David E. Earls
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS