Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6253927 | Roller screen | Eero Väänänen, Martti Jankkila, Lauri A. Mustikka | 2001-07-03 |
| 6214164 | Process for pretreating wood chips for pulping | — | 2001-04-10 |
| 6161302 | Dryer apparatus for fiber webs | — | 2000-12-19 |