Terry A. Keifer

Person

  • Pottstown, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Product monitoring device

    • Patent number 4,380,097
    • Issue date Apr 19, 1983
    • Check Mate Systems, Inc.
    • Terry A. Keifer
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES