TREA

Kuan-Chin Chung

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  • Ping Tung Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door lock mechanism with a release button
    • Patent number 5,669,256
    • Issue date Sep 23, 1997
    • Kuan-Chin Chung
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door locking mechanism
    • Patent number 5,647,233
    • Issue date Jul 15, 1997
    • Kuan-Chin Chung
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents