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James F. Chambers

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  • Little Rock, AR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve seat for high temperature valve
    • Patent number 5,259,590
    • Issue date Nov 9, 1993
    • Grove Valve and Regulator Company
    • James F. Chambers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual action ball valve
    • Patent number 4,917,354
    • Issue date Apr 17, 1990
    • James F. Chambers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...