Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568629 | Evaluation of rock boundaries and acoustic velocities using drill bit sound during vertical drilling | Yunlai Yang | 2017-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9568629 | Evaluation of rock boundaries and acoustic velocities using drill bit sound during vertical drilling | Yunlai Yang | 2017-02-14 |