TREA

Robert C. Stewart

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  • Bedford Heights., OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compact multi-service ball valve
    • Patent number 4,762,301
    • Issue date Aug 9, 1988
    • Whitey Co.
    • Richard F. Wozniak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...