J. Douglas Malcolm

Person

  • St. John's, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid fluidic device

    • Patent number 3,938,557
    • Issue date Feb 17, 1976
    • Canadian Patents and Development Limited
    • J. Douglas Malcolm
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL