Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459829 | Illuminating system,universal lamp holder and LED lamp | Qing-Shan Cao | 2013-06-11 |
| 8317550 | Electrical receptacle terminal | Qing-Shan Cao, Fu-Qiu Shi | 2012-11-27 |
| 7961931 | Positioning measurement apparatus and method | Xiao Pu | 2011-06-14 |