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Melvin D. Coker

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  • Montebello, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flange system for pipeline plugging
    • Patent number 4,513,788
    • Issue date Apr 30, 1985
    • Koppl Company Inc.
    • Melvin D. Coker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...