Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4444529 | Bolt-like fixing assembly for reinforcing rock structure | Tapio Kallio, Tauno Korhonen, Jorma Pulkkinen, Kalevi Salo | 1984-04-24 |
| 4375188 | On-machine supercalender apparatus | — | 1983-03-01 |