Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807677 | Directional transmission mechanism, directional sprocket apparatus and pedal device | — | 2020-10-20 |
| 10583690 | Installation structure for wheel axle assembly and wheel fork, frame and vehicle | Hongjun Xu, Qibing Lu, Qi Zhou | 2020-03-10 |