TREA

Wallace M. Chaviers

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  • Wichita Falls, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil well pumping apparatus
    • Patent number 4,530,645
    • Issue date Jul 23, 1985
    • Hydraunit Venture
    • David L. Whatley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...