Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7685937 | Composite doctor blade | Mikko Karioja, Harri Ruotsalainen | 2010-03-30 |
| 7013526 | Equipment and method for changing a blade | Ilkka Eskelinen, Harri Ruotsalainen | 2006-03-21 |