Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834850 | Efficient electrolytic precious metal recovery system | Vittorio de Nora, Robert D. Penny, Anthony J. Vaccaro, James J. Stewart | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834850 | Efficient electrolytic precious metal recovery system | Vittorio de Nora, Robert D. Penny, Anthony J. Vaccaro, James J. Stewart | 1989-05-30 |