Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332667 | Liquefaction process for solid carbonaceous materials containing alkaline earth metal humates | William R. Epperly, Roy J. Brunson | 1982-06-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332667 | Liquefaction process for solid carbonaceous materials containing alkaline earth metal humates | William R. Epperly, Roy J. Brunson | 1982-06-01 |