Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982816 | Pup joint for releasing sidewall contact of stratigraphic test device and apparatus | Xiaofei Qin, Yongren Feng, Xiaodong Chu, Lei Wang | 2018-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982816 | Pup joint for releasing sidewall contact of stratigraphic test device and apparatus | Xiaofei Qin, Yongren Feng, Xiaodong Chu, Lei Wang | 2018-05-29 |