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Henry B. Gibson

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  • Beaumont, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boltless bonnet assembly for gate valve
    • Patent number 4,968,002
    • Issue date Nov 6, 1990
    • American Cast Iron Pipe Company
    • Henry B. Gibson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...