Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244602 | Method for sealing extraction apparatus | by Seppo Blomqvist | 2001-06-12 |
| 4413495 | Method for the stiffening and straightening of starting sheets | Eino J. Peuhkurinen, Erkki J. Linnanketo, Tuomo Kivistö, Tauno T. Koho, Seppo T. Kinnunen +1 more | 1983-11-08 |