Chang Yi Kuo

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Taipei, TW

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Patents Applicationslast 30 patents

Information Patent Application
Sports equipment handle
- Publication number 20070015599
- Publication date Jan 18, 2007
- Continental Chemical Industries Co., Ltd.
- Wei-Chao Yang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Exercising hula-hoop assembly with radio frequency signal transmiss...
- Publication number 20040048725
- Publication date Mar 11, 2004
- Chang Jui Dong
- A63 - SPORTS GAMES AMUSEMENTS