Reach maximum speed at zero acceleration

Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator door motor compensations

    • Patent number 4,300,662
    • Issue date Nov 17, 1981
    • Otis Elevator Company
    • Michael W. Hmelovsky
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents