Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877507 | Linings for aluminum reduction cells | John M. McIntyre, Pierre Tremblay, Claude Allaire, Bohdan Gnyra | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877507 | Linings for aluminum reduction cells | John M. McIntyre, Pierre Tremblay, Claude Allaire, Bohdan Gnyra | 1989-10-31 |