John K. Fortin

Person

  • Niwot, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Safety enhanced pivoting door operator

    • Patent number 5,036,620
    • Issue date Aug 6, 1991
    • BC Research and Development, Inc.
    • Mark A. Beran
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES