Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6119867 | Screen cylinder | Risto Ljokkoi | 2000-09-19 |
| 5575395 | Method and apparatus for screening fibrous suspensions | Timo Alajaaski, Kaj Henricson, Kalevi Laakso, Antero Laine, Risto Ljokkoi +2 more | 1996-11-19 |