Steve Sijet Zeng

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Nan-Tou Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable Gemini pedal trace extending crank mechanism
- Patent number 6,802,798
- Issue date Oct 12, 2004
- Steve Sijet Zeng
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Four-bar linkage stretching exercise apparatus
- Publication number 20060116260
- Publication date Jun 1, 2006
- Steve Sijet Zeng
- A63 - SPORTS GAMES AMUSEMENTS