Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318124 | Recovering hydrocarbons from tar sand or heavy oil reservoirs | Ronald A. Hamm | 1994-06-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318124 | Recovering hydrocarbons from tar sand or heavy oil reservoirs | Ronald A. Hamm | 1994-06-07 |