Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267366 | Universal joint for downhole motor drive | Timothy E. LaGrange | 2019-04-23 |
| 9670731 | Adjustable bent housing for directional drill string | Timothy E. LaGrange | 2017-06-06 |
| 6328119 | Adjustable gauge downhole drilling assembly | Ian Gillis, Gary M. Crase, Laurier E. Comeau, Charles M. Reid, Christopher Konschuh +2 more | 2001-12-11 |
| 6158533 | Adjustable gauge downhole drilling assembly | Ian Gillis, Gary M. Crase, Laurier E. Comeau, Charles M. Reid | 2000-12-12 |