Shi; Chuanwen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shi; Chuanwen.The latest application filed is for "quick clamping device".
- Shi; Chuanwen - Walnut CA
- Shi; Chuanwen - Wuyang County CN
| Patent | Date |
|---|---|
| Wrench Grant D937,059 - Shi November 30, 2 | 2021-11-30 |
| Buttstock Grant D897,480 - Shi September 29, 2 | 2020-09-29 |
| Firearm charging handle Grant D893,662 - Shi A | 2020-08-18 |
| Quick clamping device Grant 9,212,777 - Shi December 15, 2 | 2015-12-15 |
| Quick Clamping Device App 20140003862 - Shi; Chuanwen | 2014-01-02 |
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