TREA

John BOETTCHER

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  • Champaign, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for and method of gas analysis
    • Patent number 10,215,737
    • Issue date Feb 26, 2019
    • Weatherford Switzerland Trading and Development GmbH
    • Dennis D. Coleman
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Apparatus for and method of gas analysis
    • Patent number 9,341,606
    • Issue date May 17, 2016
    • Weatherford Switzerland Trading and Development GmbH
    • Dennis D. Coleman
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents