Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410378 | Tricone rock bit for horizontal wells and hard formation wells | Zengyuan Shao, Xiaobing Fan | 2016-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410378 | Tricone rock bit for horizontal wells and hard formation wells | Zengyuan Shao, Xiaobing Fan | 2016-08-09 |