TREA

Bob DePont

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  • Dongen, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wellbore rig elevator systems
    • Patent number 7,303,021
    • Issue date Dec 4, 2007
    • Varco I/P, Inc.
    • Mike Schats
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

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    • Patent number D533432
    • Issue date Dec 12, 2006
    • Varco I/P, Inc.
    • Mike Schats
    • D08 - Tools and hardware

Patents Applicationslast 30 patents