Cheng-Feng YANG

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Keelung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Outer shell member positioning device
- Patent number 8,991,228
- Issue date Mar 31, 2015
- Chenbro Micom Co., Ltd.
- Cheng-Feng Yang
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
OUTER SHELL MEMBER POSITIONING DEVICE
- Publication number 20140013811
- Publication date Jan 16, 2014
- Cheng-Feng YANG
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES