Earl M. Jahnke

Person

  • Fox Lake, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Blind operating device and method

    • Patent number 4,919,186
    • Issue date Apr 24, 1990
    • William F. Uecker
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS