Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770172 | Method of making press felt, and press felt | Kari Hyvönen, Tauno Virtanen | 2004-08-03 |
| 5135615 | Device for measuring the condition of a felt and for reconditioning it | — | 1992-08-04 |