Kung-Chao Chang

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Surfboard
- Patent number 6,595,817
- Issue date Jul 22, 2003
- Kung-Chao Chang
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Water Board structure
- Publication number 20070065627
- Publication date Mar 22, 2007
- Kung-Chao Chang
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT