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Richard A. Rybak

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  • Oldsmar, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elastomeric caps for valve handles
    • Patent number 4,999,875
    • Issue date Mar 19, 1991
    • Markers, Inc.
    • Richard A. Rybak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...