Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656042 | Environmentally acceptable process for disposing of scrap plastic materials | Motasimur R. Khan, Christine C. Albert, George N. Richter, David Charles Crikelair | 1997-08-12 |
| 5647876 | Method of removing volatile metals from slag using an acid wash | John Duckett Winter, Jerrold Samuel Kassman, Harry WIESE, George N. Richter, Lisa Marie Kocsis +1 more | 1997-07-15 |