Keith W. Christiansen

Person

  • Fox River Grove, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for manufacturing seal components

    • Patent number RE33603
    • Issue date Jun 4, 1991
    • Chicago Rawhide Manufacturing Co.
    • Keith W. Christiansen
    • 425 - Plastic article or earthenware shaping or treating: apparatus