Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4185693 | Oil shale retorting from a high porosity cavern | William L. Martin, Gary C. Young | 1980-01-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4185693 | Oil shale retorting from a high porosity cavern | William L. Martin, Gary C. Young | 1980-01-29 |