Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047159 | Door hinge having buffering function | Qingjun Lao, Haihui Zhu | 2021-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047159 | Door hinge having buffering function | Qingjun Lao, Haihui Zhu | 2021-06-29 |