Sy-Tyng Hwang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Ball pressure gauge
- Patent number 8,393,221
- Issue date Mar 12, 2013
- Continental Chemical Industries Co., Ltd.
- Wei-Chao Yang
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Ball pressure gauge
- Publication number 20120285252
- Publication date Nov 15, 2012
- Continental Chemical Industries Co., Ltd.
- Wei-Chao Yang
- A63 - SPORTS GAMES AMUSEMENTS