Seihachi Matsumoto

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge structure

    • Patent number 4,307,486
    • Issue date Dec 29, 1981
    • Matsumoto Manufacturing Company, Ltd.
    • Seihachi Matsumoto
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES