Zhao; Yaofeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhao; Yaofeng.The latest application filed is for "led mounting base, adjustment mechanism with led mounting base and red dot sighting device with adjustment mechanism".
- Zhao; Yaofeng - Shaaxi CN
- Zhao; Yaofeng - Shaanxi CN
- Zhao, Yaofeng - Beijing CN
| Patent | Date |
|---|---|
| Self-adaptive brightness adjustment circuit and solar inner red dot sight Grant 11,421,960 - Sun , et al. August 23, 2 | 2022-08-23 |
| 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 |
| Self-adaptive Brightness Adjustment Circuit And Solar Red Dot Sight App 20210262759 - Sun; Jianhua ; et al. | 2021-08-26 |
| DNA markers for pig litter size App 20020197597 - Li, Ning ; et al. | 2002-12-26 |
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