Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167787 | Linings for aluminum reduction cells | John M. McIntyre, Pierre Tremblay, Claude Allaire, Bohdan Gnyra | 1992-12-01 |
| 5062929 | Linings for aluminum reduction cells | John M. McIntyre, Pierre Tremblay, Claude Allaire, Bohdan Gnyra | 1991-11-05 |
| 4877507 | Linings for aluminum reduction cells | John M. McIntyre, Pierre Tremblay, Claude Allaire, Bohdan Gnyra | 1989-10-31 |