Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419112 | Refining surface and a blade segment for a refiner | Håkan Sjöström, Vesa Arjanmaa, Petteri Vuorio, Nils Virving, Juha-Pekka Huhtanen +1 more | 2008-09-02 |
| 5704559 | Refining element | Veikko Kankaanpää, Juha Makivaara | 1998-01-06 |