Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1025627 | Children's swivel chair | — | 2024-05-07 |
| 11254335 | Bogie of a rail vehicle with at least two wheelsets mounted in axleboxes and at least one transverse member | Lijun Ma, Pingyu Zhou, Houli Sun, Yunjie Fan, Xiaoming Wang +2 more | 2022-02-22 |