Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491067 | Bark press | Ossi Kipelainen, Antti Kuhasalo | 1985-01-01 |
| 4461708 | Procedure for purifying effluent waters, particularly those produced in wood-processing industry | Risto Hakulinen, Marja Salkinoja-Salonen, Jorma Rasanen | 1984-07-24 |
| 4396161 | Disk refiner | Pekka Ruokolainen | 1983-08-02 |
| 4309283 | Hydrocyclone | Pentti Vikio, Matti Lankinen | 1982-01-05 |