Zhirong Chen

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Antiskid performance testing apparatus for shoe sole
- Patent number 8,573,028
- Issue date Nov 5, 2013
- Zhejiang Red Dragonfly Footwear Co., Ltd.
- Zhirong Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ANTISKID PERFORMANCE TESTING APPARATUS FOR SHOE SOLE
- Publication number 20110132068
- Publication date Jun 9, 2011
- ZHEJIANG RED DRAGONFLY FOOTWEAR CO., LTD.
- Zhirong Chen
- G01 - MEASURING TESTING