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William H. Gravert

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  • Port Washington, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-static coating on ullage tapes comprising carbon black derived...
    • Patent number 4,309,483
    • Issue date Jan 5, 1982
    • William H. Gravert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Quick acting coupling
    • Patent number 4,106,541
    • Issue date Aug 15, 1978
    • Marine Moisture Control Company, Inc.
    • William H. Gravert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...