Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886591 | Phosphate bonded composite electrodes | Jean-Marc Lalancette, Estelle Potvin | 1989-12-12 |
| 4875910 | Filter for removing cancer causing compounds from exhaust fumes | Jacques Dunnigan | 1989-10-24 |