Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082118 | Device for separating hard objects, such as stones, from a stream of wood | Kari Rintala, Jyrki Paarma, Mikko Sissala, Ilkka Valkonen | 1992-01-21 |
| 4784197 | Barking drum and method of heating same | Keijo Alander, Tuomas Pontela | 1988-11-15 |