Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11138571 | Bicycle repair system | Xuanmao Liao, Bingxing Hu, Changsheng Feng, Weisheng ZHENG, Zhiyu Li +1 more | 2021-10-05 |
| 11124924 | Steel girder pavement structure for high-speed road for bicycle, and roadbed pavement method therefor | Changsheng Feng, Zezhen Rong, Weisheng ZHENG, Zhiyu Li | 2021-09-21 |