Helmut Gerhard

Person

  • Siegen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable rod joint

    • Patent number 4,907,908
    • Issue date Mar 13, 1990
    • Siegenia-Frank KG.
    • Helmut Gerhard
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES