Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323541 | Selective two stage leaching of nickel from nickel-copper matte | Heimo U. A. Saarinen | 1982-04-06 |
| 4273642 | Electrolytic cell | — | 1981-06-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323541 | Selective two stage leaching of nickel from nickel-copper matte | Heimo U. A. Saarinen | 1982-04-06 |
| 4273642 | Electrolytic cell | — | 1981-06-16 |