Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8210510 | Clamping device for portable electronic device | Lei Li, Ping Chen, Zhi Cheng, HONG-YAN LI, Lin Dong +2 more | 2012-07-03 |
| 7743676 | Key testing apparatus | Lei Li, Ping Chen, Zhi Cheng, HONG-YAN LI, Xue-Liang Zhai +2 more | 2010-06-29 |