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Arthur H. Webber

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  • Amesbury, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve testing method and device
    • Patent number 4,770,029
    • Issue date Sep 13, 1988
    • Atwood & Morrill Co., Inc.
    • Arthur H. Webber
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...