Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626240 | Device for annular well isolation | — | 2003-09-30 |
| 6607043 | Down hole motors and methods for their operation | Per Olaf Haughom | 2003-08-19 |
| 6546962 | Introduction of air into injection water | — | 2003-04-15 |