Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041298 | Detachable combined-type drive key for rotary drilling rig power head | Xiaoliang Li, Zhonghai Zhang, Jiguang Zhang, Jingwei He, Caifeng WEI | 2018-08-07 |
| 9879056 | Insecticidal protein | Jumin Tu, Hao CHEN, Xiaobo ZHANG | 2018-01-30 |