Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931153 | Solid-liquid filtration cloth and filtering device | Antti Mäkinen, Eino Sorri, Aimo Rautanen | 2011-04-26 |
| 6797121 | Press felt structure and method of manufacturing press felt | Kari Hyvönen, Tauno Virtanen | 2004-09-28 |
| 6773553 | Method of making press felt, and press felt | Kari Hyvönen, Tauno Virtanen | 2004-08-10 |