Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987163 | Safety control take-up fastening appliance | Jing Zhou, Fengquan Ma, Xianwei Yang | 2024-05-21 |
| 10086744 | Automatic tightening device with rolling and unrolling control functions | Jing Zhou, Xianwei Yang | 2018-10-02 |