TREA

Kuang-Chun Chiu

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible key assembly
    • Patent number 5,943,889
    • Issue date Aug 31, 1999
    • Kuang-Yen Chiu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents