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William C. Yocum

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  • Mt. Lebanon Township, Allegheny County, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slow opening cylinder valve
    • Patent number 4,211,386
    • Issue date Jul 8, 1980
    • Superior Valve Company
    • William C. Yocum
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...