Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840336 | Drilling tool with non-rotating sleeve | Alain P. Dorel, Albert E. Patterson, II | 2005-01-11 |
| 6837315 | Rotary steerable drilling tool | Attilio Pisoni, Ruben Martinez, Spyro Kotsonis | 2005-01-04 |