Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11583911 | Method for coreless spinning of large-ratio multi-variable-diameter hollow shaft | Liang Han, Xiaofeng Li | 2023-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11583911 | Method for coreless spinning of large-ratio multi-variable-diameter hollow shaft | Liang Han, Xiaofeng Li | 2023-02-21 |