Hong-Chi Wu

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Chung-Li CIty, Taoyuan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Mechanism of a stepping device
- Patent number 5,336,143
- Issue date Aug 9, 1994
- Hong-Chi Wu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Torque variable exercising apparatus
- Patent number 5,230,680
- Issue date Jul 27, 1993
- Hong-Chi Wu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Magnetically controlled exerciser for exercising arms
- Patent number 5,194,059
- Issue date Mar 16, 1993
- Hong-Chi Wu
- A63 - SPORTS GAMES AMUSEMENTS