Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312404 | Dual-function electric stair-climbing vehicle capable of transporting goods and assisting people | Yonghai Fei | 2022-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312404 | Dual-function electric stair-climbing vehicle capable of transporting goods and assisting people | Yonghai Fei | 2022-04-26 |