Tsai; Ching-Li
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsai; Ching-Li.The latest application filed is for "laser sight firing device mountable to an air gun".
- Tsai; Ching-Li - Chiayi City TW
- Tsai; Ching-Li - Chiayi TW
| Patent | Date |
|---|---|
| Laser Sight Firing Device Mountable To An Air Gun App 20130227872 - Tsai; Ching-Li | 2013-09-05 |
| Spring-piston airsoft gun Grant 8,453,633 - Tsai June 4, 2 | 2013-06-04 |
| Electric Motor Capable Of Heat Dissipation App 20120223602 - TSAI; Ching-Li | 2012-09-06 |
| Spring-piston Airsoft Gun App 20110315134 - TSAI; Ching-Li | 2011-12-29 |
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