Allan J. Evans

Person

  • Boulder, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Control apparatus for doors

    • Patent number 4,976,065
    • Issue date Dec 11, 1990
    • BC Research and Development, Inc.
    • Mark A. Beran
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES