Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109403 | Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry | Derek W. Logan, Garry Holmen, Tony Dopf, Aaron W. Logan, Brian Clark +1 more | 2015-08-18 |
| 9004196 | Drill bit assembly having aligned features | Kjell Haugvaldstad, Derek W. Logan, Garry Holmen, Tony Dopf, Aaron W. Logan | 2015-04-14 |