Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211690 | Middle frame assembly and electronic device | Qianqiang Chen, Jing Yang, Wei Tan | 2021-12-28 |
| 7878268 | Oilfield well planning and operation | Clinton D. Chapman, Chunling Gu Coffman, Mikhail Gurevich | 2011-02-01 |