Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783060 | Electrolytic metal recovery method | Bernard Gravel, Gordon Bathurst | 1998-07-21 |
| 5310466 | Electrolytic metal recovery system | Bernard Gravel, Gordon Bathurst | 1994-05-10 |