Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986832 | Arrangement for mixing flows in papermaking process | Perttu Lamminen, Matti Hietaniemi, Kati Lindroos | 2006-01-17 |
| 6841040 | Method and device for feeding chemicals into a fibre suspension | Hannu Lepomäki | 2005-01-11 |