Duane T. Fier

Person

  • Owatonna, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Communications adaptor bracket

    • Patent number 4,761,823
    • Issue date Aug 2, 1988
    • E. F. Johnson Company
    • Duane T. Fier
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE