Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745854 | Electrically sequenced tractor | Norman Bruce Moore, Ronald E. Beaufort | 2004-06-08 |
| 6715559 | Gripper assembly for downhole tractors | Norman Bruce Moore | 2004-04-06 |
| 6679341 | Tractor with improved valve system | Norman Bruce Moore, Robert Levay | 2004-01-20 |