Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695613 | Rib construction for a draining device in a paper machine | Esa Hentila, Jyrki Jaakkola | 1997-12-09 |
| 5690792 | Set of ribs in a dewatering device in a paper machine | Jyrki Jaakkola | 1997-11-25 |