Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047159 | Door hinge having buffering function | Qingjun Lao, Haihui Zhu | 2021-06-29 |
| 10214951 | Door hinge having damping function | — | 2019-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047159 | Door hinge having buffering function | Qingjun Lao, Haihui Zhu | 2021-06-29 |
| 10214951 | Door hinge having damping function | — | 2019-02-26 |