TREA

Kurt L. Ettenhofer

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  • Swarthmore, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Charging circuit for sonar systems
    • Patent number 4,193,129
    • Issue date Mar 11, 1980
    • The United States of America as represented by the Secretary of the Navy
    • Robert W. Wiggins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor array acoustic detection system
    • Patent number 3,979,712
    • Issue date Sep 7, 1976
    • The United States of America as represented by the Secretary of the Navy
    • Kurt L. Ettenhofer
    • G01 - MEASURING TESTING