Jin-Chen Chuang

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Fenyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Abdominal exerciser
- Patent number 6,602,171
- Issue date Aug 5, 2003
- Samson Tsen
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ABDOMINAL EXERCISER
- Publication number 20030144118
- Publication date Jul 31, 2003
- Samson Tsen
- A63 - SPORTS GAMES AMUSEMENTS