Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8235140 | Methods and apparatus for thermal drilling | Thomas W. Wideman, Donald S. Dreesen, Robert M. Potter | 2012-08-07 |
| 6971260 | Overburden rock core sample containment system | — | 2005-12-06 |
| 4936340 | Pressure regulator | Douglas N. Sweet | 1990-06-26 |
| 4509904 | Metering pump | Christopher Rose MacAskill | 1985-04-09 |