TREA

Roy H. Smith Jr.

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid flow rotating machinery of lobe type
    • Patent number 4,145,168
    • Issue date Mar 20, 1979
    • Travis; Bobby J.
    • Roy H. Smith
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES