Hang Tong

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Yuen Long N. T., HK

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Patents Grantslast 30 patents

Information Patent Grant
Mobile roly-poly-type apparatus and method
- Patent number 7,258,591
- Issue date Aug 21, 2007
- The Chinese University of Hong Kong
- Yang-Sheng Xu
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mobile roly-poly-type apparatus and method
- Publication number 20040198159
- Publication date Oct 7, 2004
- Yang-Sheng Xu
- A63 - SPORTS GAMES AMUSEMENTS