John E. Gaines

Person

  • Granby, CT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator cab load measuring system

    • Patent number 4,330,836
    • Issue date May 18, 1982
    • Otis Elevator Company
    • Andrew J. Donofrio
    • B66 - HOISTING LIFTING HAULING