Frictionless rolling element

Patents Grantslast 30 patents

  • Information Patent Grant

    Micromanipulator system

    • Patent number 4,694,230
    • Issue date Sep 15, 1987
    • USA as represented by the Secretary of Commerce
    • Alexander H. Slocum
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents