TREA

Allen A. Pennington

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  • Cyprais, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Standing valve with a curved fin
    • Patent number 6,283,148
    • Issue date Sep 4, 2001
    • Flowmore Systems, Inc.
    • Harry L. Spears
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...