Ju-Yi Chang

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Tainan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Block assembly
- Patent number 8,771,032
- Issue date Jul 8, 2014
- Delsun Co., Ltd.
- Ju-Yi Chang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Block Assembly
- Publication number 20130252504
- Publication date Sep 26, 2013
- Ju-Yi Chang
- A63 - SPORTS GAMES AMUSEMENTS