Jerome A. Hapka

Person

  • Warroad, MN, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Impact resistant window assembly

    • Publication number 20050155301
    • Publication date Jul 21, 2005
    • Jerome A. Hapka
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS