Julian Andruszkiewicz

Person

  • Elmhurst, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Prehung door assembly

    • Patent number 4,012,868
    • Issue date Mar 22, 1977
    • Julian Andruszkiewicz
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS