Caldwell Jones

Person

  • Holland, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Throttling valve

    • Patent number 4,989,642
    • Issue date Feb 5, 1991
    • Young & Franklin, Inc.
    • Dave L. Perry
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...