Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925488 | Removal of copper from ferrous scrap | Shome N. Sinha | 1990-05-15 |
| 4744875 | Steel refining with an electrochemical cell | Glenn M. Cook | 1988-05-17 |
| 4687564 | Refractory lining for electrochemical cell | Glenn M. Cook | 1987-08-18 |
| 4475993 | Extraction of trace metals from fly ash | Chien M. Wai, Zoltan Nagy | 1984-10-09 |