TREA

Brett Gregory Wallihan

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  • Huntington Bch, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Top drive systems with reverse bend bails
    • Patent number 7,784,535
    • Issue date Aug 31, 2010
    • Varco I/P, Inc.
    • Lawrence E. Wells
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Support bail
    • Patent number D572119
    • Issue date Jul 1, 2008
    • Varco I/P, Inc.
    • Lawrence E. Wells
    • D08 - Tools and hardware

Patents Applicationslast 30 patents