Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035185 | Annular pressure reduction system for horizontal directional drilling | Ronald G. Halderman, Pablo Esteban Guerra | 2021-06-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035185 | Annular pressure reduction system for horizontal directional drilling | Ronald G. Halderman, Pablo Esteban Guerra | 2021-06-15 |