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Frank W. Groves, II

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  • Sisters, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elbow plug external sleeve valve
    • Patent number 7,921,867
    • Issue date Apr 12, 2011
    • Olmsted Products Co.
    • Frank W. Groves, II
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELBOW PLUG EXTERNAL SLEEVE VALVE
    • Publication number 20110146814
    • Publication date Jun 23, 2011
    • Olmsted Products Co.
    • Frank W. Groves, II
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...