Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987163 | Safety control take-up fastening appliance | Jing Zhou, Chunzhi Li, Xianwei Yang | 2024-05-21 |
| 10207627 | Anti-slip safety tensioning device for automobile | Weiguo Chen, Yanqiong Chen | 2019-02-19 |