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Leroy E. Herr

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  • Erie, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Quarter turn valve
    • Patent number 4,712,768
    • Issue date Dec 15, 1987
    • White Consolidated Industries, Inc.
    • Leroy E. Herr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...