Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495024 | Method for the removal of arsenic from sulfuric acid solution | Leo Lindroos | 2002-12-17 |
| 6342136 | Busbar construction for electrolytic cell | Ismo Virtanen, Tuomo Kivistö, Tom Marttila | 2002-01-29 |