Xiwen Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Retroreflective articles and appliques
- Patent number 9,217,816
- Issue date Dec 22, 2015
- 3M Innovative Properties Company
- Xiwen Zhang
- A41 - WEARING APPAREL
Information Patent Grant
Retroreflective appliques and articles
- Patent number 9,217,817
- Issue date Dec 22, 2015
- 3M Innovative Properties Company
- Xiwen Zhang
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
RETROREFLECTIVE ARTICLES AND APPLIQUES
- Publication number 20140247491
- Publication date Sep 4, 2014
- 3M Innovative Properties Company
- Xiwen Zhang
- A41 - WEARING APPAREL
Information Patent Application
RETROREFLECTIVE APPLIQUES AND ARTICLES
- Publication number 20140118827
- Publication date May 1, 2014
- 3M Innovative Properties Company
- Xiwen Zhang
- A41 - WEARING APPAREL