Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587077 | Screen cylinder or plate having a grooved first face and a stepless second face | Frank Aaltonen | 1996-12-24 |
| 5575395 | Method and apparatus for screening fibrous suspensions | Kaj Henricson, Kalevi Laakso, Antero Laine, Risto Ljokkoi, Olavi Pikka +2 more | 1996-11-19 |
| 5547083 | Apparatus for treating fiber suspension | Kalevi Laakso, Antero Laine, Risto Ljokkoi | 1996-08-20 |