Tsung-Yun Yang

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Tiapei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Airsoft guns structure with improved reality and safety gasificatio...
- Patent number 9,134,089
- Issue date Sep 15, 2015
- Tsung-Yun Yang
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
AIRSOFT GUNS STRUCTURE WITH IMPROVED REALITY AND SAFETY GASIFICATIO...
- Publication number 20130247893
- Publication date Sep 26, 2013
- Tsung-Yun Yang
- F41 - WEAPONS