Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793783 | Element for separating an electrolytic tank | — | 2004-09-21 |
| 6736970 | Arrangement for treating solids settled on the bottom of an electrolytic tank | Lauri Palmu, Raimo Syväluoma, Jari Stenroos | 2004-05-18 |
| 6673228 | Arrangement for cleaning the bottom of an electrolytic tank | Jari Stenroos | 2004-01-06 |