Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863209 | Gas lift mandrel and isolator | — | 2018-01-09 |
| 9169721 | Expansion tool for non-cemented casing-casing annulus (CCA) wellbores | Henry E. Rogers, David D. Szarka | 2015-10-27 |
| 9109437 | Method of using an expansion tool for non-cemented casing annulus (CCA) wellbores | Henry E. Rogers, David D. Szarka | 2015-08-18 |