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Richard C. Acker

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  • Cleveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiposition selector valve
    • Patent number 4,538,640
    • Issue date Sep 3, 1985
    • Teledyne Republic Manufacturing
    • Richard C. Acker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot-operated valve
    • Patent number 4,450,869
    • Issue date May 29, 1984
    • Teledyne Republic Manufacturing
    • Richard C. Acker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...