Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834889 | Torque release coupling for use in drill strings | Morten Hyvik, Per Olav Haughom | 2004-12-28 |
| 6758270 | Method of microbial enhanced oil recovery | Terje Torsvik | 2004-07-06 |