Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084782 | Drill string telemetry system and method | Evan Lloyd Davies, Edward James Cargill, Gary L. Donison, Daniel P. Lupien, Richard D. Bottos +1 more | 2006-08-01 |
| 6769499 | Drilling direction control device | Edward James Cargill, Evan Lloyd Davies, Gary L. Donison, Gerald Edward Kent, Terrance Dean Maxwell | 2004-08-03 |
| 6392561 | Short hop telemetry system and method | Evan Lloyd Davies, Gary L. Donison | 2002-05-21 |