Wen-Chun Weng

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Xinzhuang City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Coil zipper structure
- Patent number 7,703,183
- Issue date Apr 27, 2010
- Wen-Chun Weng
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
THIN ZIPPER
- Publication number 20120246887
- Publication date Oct 4, 2012
- Wen-Chun WENG
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Coil Zipper Structure
- Publication number 20090070968
- Publication date Mar 19, 2009
- Wen-Chun Weng
- A44 - HABERDASHERY JEWELLERY