Kai-An Wu

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Pingtong, TW

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Patents Grantslast 30 patents

Information Patent Grant
Anti-theft tumbler pins of a lock core
- Patent number 6,601,419
- Issue date Aug 5, 2003
- Kai-An Wu
- Mao-Ming Huang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES