Chuan-Li Chang

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San Chung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Hobnail structure
- Patent number 7,370,441
- Issue date May 13, 2008
- Chuan-Li Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Thin-type spike intensifying structure
- Publication number 20100257756
- Publication date Oct 14, 2010
- Chuan-Li Chang
- A43 - FOOTWEAR
Information Patent Application
Hobnail structure
- Publication number 20070172331
- Publication date Jul 26, 2007
- Chuan-Li Chang
- A43 - FOOTWEAR