Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7306704 | Press felt | — | 2007-12-11 |
| 6797121 | Press felt structure and method of manufacturing press felt | Heikki Rehakka, Tauno Virtanen | 2004-09-28 |
| 6773553 | Method of making press felt, and press felt | Heikki Rehakka, Tauno Virtanen | 2004-08-10 |
| 6770172 | Method of making press felt, and press felt | Bo Rokman, Tauno Virtanen | 2004-08-03 |
| 6092298 | Arrangement for drying section of paper machine | Ari Salminen | 2000-07-25 |