Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340063 | Steerable rotary directional drilling method | Laurier E. Comeau, Elis Vandenberg, Edward James Cargill, John Hardin, Terrance Dean Maxwell +3 more | 2002-01-22 |
| 6244361 | Steerable rotary drilling device and directional drilling method | Laurier E. Comeau, Elis Vandenberg, Edward James Cargill, John Hardin, Terrance Dean Maxwell +3 more | 2001-06-12 |