Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640894 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2003-11-04 |
| 6601652 | Puller-thruster downhole tool | Ronald E. Beaufort, Rudolph Ernst Krueger, V | 2003-08-05 |