TREA

Christopher R. Williams

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  • Grafton, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Motion detection and alerting system
    • Patent number 6,700,528
    • Issue date Mar 2, 2004
    • The United States of America as represented by the Secretary of the Army
    • Christopher R. Williams
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Groundwater flow measuring system
    • Patent number 6,227,045
    • Issue date May 8, 2001
    • U.S. Army Corps of Engineers as represented by the Secretary of the Army
    • James S. Morse
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents