TREA

Don E. Gray

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  • Birmingham, AL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for lining pipe
    • Patent number 4,987,013
    • Issue date Jan 22, 1991
    • American Cast Iron Pipe Company
    • Tom G. Atkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concrete injector pump and process for lining pipe
    • Patent number 4,913,089
    • Issue date Apr 3, 1990
    • American Cast Iron Pipe Company
    • Tom G. Atkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...