Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540290 | Immersible aerator and/or mixer apparatus | Erkki J. Jarvinen, Pekka Taskinen, Jarmo J. Pullo, Arvo E. Andersson | 1985-09-10 |
| 4413495 | Method for the stiffening and straightening of starting sheets | Eino J. Peuhkurinen, Erkki J. Linnanketo, Kari Farm, Tuomo Kivistö, Tauno T. Koho +1 more | 1983-11-08 |