Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585543 | Method for recovering hydrocarbons from solids | Dennis A. Duncan | 1986-04-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585543 | Method for recovering hydrocarbons from solids | Dennis A. Duncan | 1986-04-29 |