Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272376 | Gas cooker control system | Fei Ma, Fujun Cao, Jianwei Liu | 2012-09-25 |
| 8217284 | Anti dumping switch and device having same | Qiaohua Dai, Hongwu Qin, Jianwei Liu, Xiaoyong Dong | 2012-07-10 |