Donald M. Ohman

Person

  • Mentor, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic hydraulic speed control

    • Patent number 4,586,331
    • Issue date May 6, 1986
    • Caterpillar Industrial Inc.
    • Donald M. Ohman
    • B66 - HOISTING LIFTING HAULING