Alexander M. Duffus

Person

  • Glasgow, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Security bar

    • Patent number 5,447,046
    • Issue date Sep 5, 1995
    • SPS (Holdings) Limited
    • Alexander M. Duffus
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES