Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8720539 | Modular power source for subsurface systems | Colin Longfield, Shardul Sarhad, Patrick Fisseler | 2014-05-13 |
| 6840336 | Drilling tool with non-rotating sleeve | Stuart Schaaf, Alain P. Dorel | 2005-01-11 |
| 4328988 | Dropside pickup | Timothy C. Pollard | 1982-05-11 |