Melvin H. Norman

Person

  • Oakland, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Spool valve

    • Patent number 3,985,337
    • Issue date Oct 12, 1976
    • Amot Controls Corporation
    • William B. Gripe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...