TREA

Thomas R. Buckner

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Subsurface tubing safety valve
    • Patent number 5,263,847
    • Issue date Nov 23, 1993
    • Ava International Corporation
    • Neil H. Akkerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Subsurface tubing safety valve
    • Patent number 5,137,090
    • Issue date Aug 11, 1992
    • Ava International Corporation
    • John P. Hare
    • E21 - EARTH DRILLING MINING