Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647876 | Method of removing volatile metals from slag using an acid wash | John Duckett Winter, John Saunders Stevenson, Jerrold Samuel Kassman, George N. Richter, Lisa Marie Kocsis +1 more | 1997-07-15 |
| 4304572 | Production of solid fuel-water slurries | John C. Ahlborn, deceased, by Lloyd K. Ahlborn, executor | 1981-12-08 |