Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877582 | Centering-rotary positioning automatic closing device | Guangda Zhu, Linming Zhou | 2018-01-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9877582 | Centering-rotary positioning automatic closing device | Guangda Zhu, Linming Zhou | 2018-01-30 |