TREA

David Hertz

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  • Akko, IL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple tone detector and locator
    • Patent number 4,361,875
    • Issue date Nov 30, 1982
    • Bell Telephone Laboratories, Incorporated
    • David Hertz
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cyclotomic tone detector and locator
    • Patent number 4,348,735
    • Issue date Sep 7, 1982
    • Bell Telephone Laboratories, Incorporated
    • David Hertz
    • G01 - MEASURING TESTING