Richard R. Hesskamp

Person

  • St. Louis, MO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Drill rig hoist

    • Patent number 4,192,485
    • Issue date Mar 11, 1980
    • Central Mine Equipment Company
    • Charles L. Rassieur
    • B66 - HOISTING LIFTING HAULING