Chun-Ju Chen

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Sikou Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Automatic door shutter
- Patent number 7,788,767
- Issue date Sep 7, 2010
- Chun-Ju Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Automatic Door Shutter
- Publication number 20090113668
- Publication date May 7, 2009
- Chun-Ju Chen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES