Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668921 | Providing a conduit for an instrumentation line | Gary O. Harkins | 2003-12-30 |
| 6568481 | Deep well instrumentation | Gary O. Harkins | 2003-05-27 |
| 5163512 | Multi-zone open hole completion | James R. Brewer | 1992-11-17 |