TREA

John David McLain

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for elevating a mobile rig
    • Patent number 4,348,780
    • Issue date Sep 14, 1982
    • WellTech, Inc.
    • Lawrence F. Angelo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling fluid diverter system
    • Patent number 4,063,602
    • Issue date Dec 20, 1977
    • Exxon Production Research Company
    • James Damron Howell
    • E21 - EARTH DRILLING MINING