Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584557 | Debris preventing downhole air lock device and method | Dennis Roessler, Kevin R. George | 2020-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584557 | Debris preventing downhole air lock device and method | Dennis Roessler, Kevin R. George | 2020-03-10 |