John E. Dolman

Person

  • Victoria, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Reversing low pressure lubricating valve

    • Patent number 4,389,922
    • Issue date Jun 28, 1983
    • Her Majesty the Queen in right of Canada as represented by the Minister of De...
    • Ronald Tatters
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...