Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326435 | Method and device in a crawling operation of a press felt in a paper machine | Martti Hirsimaki, Jouko Villa | 1994-07-05 |
| 5178731 | Doctor for a suction roll | Juha Kivimaa | 1993-01-12 |