Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161227 | Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore | David G. Hearn, Lamar L. Gantt, Dan E. Venhaus | 2018-12-25 |