Chi-Sung Wang

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Fongyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Baseball/softball pitching device
- Patent number 8,336,530
- Issue date Dec 25, 2012
- Chi-Sung Wang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Artificial pitcher for practicing the hitting skill of baseball
- Patent number 7,458,907
- Issue date Dec 2, 2008
- Chi-Sung Wang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Baseball/softball pitching device
- Publication number 20120024277
- Publication date Feb 2, 2012
- Chi-Sung Wang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Artificial pitcher for practicing the hitting skill of baseball
- Publication number 20080220910
- Publication date Sep 11, 2008
- Chi-Sung Wang
- A63 - SPORTS GAMES AMUSEMENTS