Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510037 | Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone | Edwin S. Johanson | 1985-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510037 | Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone | Edwin S. Johanson | 1985-04-09 |