Paul J. Hoffman

Person

  • West St. Paul, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Step stool

    • Patent number 4,034,829
    • Issue date Jul 12, 1977
    • Paul J. Hoffman
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS