TREA

Vaughn Calvin

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  • Bryan, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rebuildable slurry conduit elbow
    • Patent number 5,188,396
    • Issue date Feb 23, 1993
    • Vaughn Calvin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pivotal discharge apparatus
    • Patent number 4,502,851
    • Issue date Mar 5, 1985
    • Vaughn Calvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...