Willy Yu

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Taipei City, TW

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Patents Applicationslast 30 patents

Information Patent Application
VERTICAL SIT-UP EXERCISER
- Publication number 20070238592
- Publication date Oct 11, 2007
- Willy Yu
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Reverse-hanging sports device for human body
- Publication number 20070161478
- Publication date Jul 12, 2007
- Willy Yu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE