Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316054 | Systems and methods for managing pressure in a wellbore | Mingqin Duan | 2016-04-19 |
| 6032733 | Cable head | Wesley Neil Ludwig | 2000-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316054 | Systems and methods for managing pressure in a wellbore | Mingqin Duan | 2016-04-19 |
| 6032733 | Cable head | Wesley Neil Ludwig | 2000-03-07 |