Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348230 | Briquettes of silicon and ferrosilicon dust | Philippe Pinsonneault, Roland Fortin | 1982-09-07 |
| 4320022 | Dry granular calcined magnetic fraction obtained from chrysotile asbestos tailings | — | 1982-03-16 |