TREA

T. Austin Freeman

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  • Duncan, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cement head and plug
    • Patent number 4,917,184
    • Issue date Apr 17, 1990
    • Halliburton Company
    • T. Austin Freeman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Non-rotating plug set
    • Patent number 4,858,687
    • Issue date Aug 22, 1989
    • Halliburton Company
    • Brock W. Watson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Non-rotating plug
    • Patent number 4,836,279
    • Issue date Jun 6, 1989
    • Halliburton Company
    • T. Austin Freeman
    • E21 - EARTH DRILLING MINING