Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611766 | Transportable, modular vitrification system for the treatment of waste material | Karl M. Slevert, Douglas H. Davis, John E. Polcyn, David M. Bennert, Irving Williams | 1997-03-18 |
| 5125002 | Furnace electrode protector | William R. Steitz | 1992-06-23 |
| 4424071 | Molten mass temperature conditioner | William R. Steitz | 1984-01-03 |