Chiung-Wen Yeh

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Changhua County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Multi-folded full-automatic opening-closing umbrella
- Patent number 8,757,184
- Issue date Jun 24, 2014
- Wangshu-O Chen
- A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

Information Patent Application
MULTI-FOLDED FULL-AUTOMATIC OPENING-CLOSING UMBRELLA
- Publication number 20140182641
- Publication date Jul 3, 2014
- Wangshu-O Chen
- A45 - HAND OR TRAVELLING ARTICLES