Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925598 | Aerator for industrial and domestic wastewaters | Tuomo Kivistö, Arvo E. Andersson | 1990-05-15 |
| 4413495 | Method for the stiffening and straightening of starting sheets | Eino J. Peuhkurinen, Erkki J. Linnanketo, Kari Farm, Tuomo Kivistö, Seppo T. Kinnunen +1 more | 1983-11-08 |