TREA

Toshiharu Narazaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Door key assembly
    • Patent number 5,048,880
    • Issue date Sep 17, 1991
    • Ryobi Limited
    • Toshiharu Narazaki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door locking mechanism
    • Patent number 4,620,734
    • Issue date Nov 4, 1986
    • Ryobi Limited
    • Toshiharu Narazaki
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES