Zhong-Jin Yang

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Taoyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Twisting device for climbing exercisers
- Patent number 7,462,137
- Issue date Dec 9, 2008
- Zhong-Jin Yang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Twisting device for climbing exercisers
- Publication number 20070142182
- Publication date Jun 21, 2007
- Zhong-Jin Yang
- A63 - SPORTS GAMES AMUSEMENTS