Cheng-Yo Hsiao

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Kwei Shan Hsiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
360° Bi-directional rotary hinge
- Patent number 8,161,604
- Issue date Apr 24, 2012
- Lianhong Art Co., Ltd.
- Tsu-Yu Lin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
360o BI-DIRECTIONAL ROTARY HINGE
- Publication number 20110252601
- Publication date Oct 20, 2011
- Tzu-Yu Lin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES