TREA

P. S. Ramsey

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  • Birmingham, AL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic control valve and method
    • Patent number 5,398,722
    • Issue date Mar 21, 1995
    • P. S. Ramsey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...