TREA

Glenn L. Allison

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  • Spring, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for multilateral junction
    • Patent number 6,752,211
    • Issue date Jun 22, 2004
    • Smith International, Inc.
    • Charles H. Dewey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary drilling head assembly
    • Patent number 6,354,385
    • Issue date Mar 12, 2002
    • Smith International, Inc.
    • Garland Vance Ford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reamer-stabilizer
    • Patent number 4,378,058
    • Issue date Mar 29, 1983
    • Smith International, Inc.
    • Glenn L. Allison
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reamer-stabilizer
    • Patent number 4,262,760
    • Issue date Apr 21, 1981
    • Smith International, Inc.
    • Glenn L. Allison
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents