Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9541388 | Directional shockproof tilting display tag | Jun Qin, Wenchang Li, Keqin Liu | 2017-01-10 |
| 9297196 | Lift and rotation mechanism for quick door-opening device | Yunlan Yang, Feng Zou, Meng Li | 2016-03-29 |