Cheng; Xuewen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Xuewen.The latest application filed is for "open airborne or vehicle-mounted sight".
- Cheng; Xuewen - Shaanxi CN
- Cheng; Xuewen - Xi'an CN
| Patent | Date |
|---|---|
| Open Airborne Or Vehicle-mounted Sight App 20220244015 - Sun; Jianhua ; et al. | 2022-08-04 |
| Led Mounting Base, Adjustment Mechanism With Led Mounting Base And Red Dot Sighting Device With Adjustment Mechanism App 20220163289 - SUN; JIANHUA ; et al. | 2022-05-26 |
| Gunstock for BB bullet gun Grant 9,184,599 - Sun , et al. November 10, 2 | 2015-11-10 |
| Gunstock for BB Bullet Gun App 20130234657 - Sun; Jianhua ; et al. | 2013-09-12 |
| Led Light Laser Sighting Device App 20110058362 - Sun; Jianhua ; et al. | 2011-03-10 |
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