Michael W. Koch

Person

  • Burnsville, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Stairway platform

    • Patent number 5,715,910
    • Issue date Feb 10, 1998
    • Michael W. Koch
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS