Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498596 | Draft gear, coupler and draft gear and railway train | Hui Liu, Gengchang Xie, Shi Liu | 2022-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498596 | Draft gear, coupler and draft gear and railway train | Hui Liu, Gengchang Xie, Shi Liu | 2022-11-15 |