Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695613 | Rib construction for a draining device in a paper machine | Esa Hentila, Samppa Salminen | 1997-12-09 |
| 5690792 | Set of ribs in a dewatering device in a paper machine | Samppa Salminen | 1997-11-25 |
| 5593546 | Hybrid former with an MB unit in a paper machine | Heikki Ilvespaa, Ari Linsuri, Erkki Partanen, Lauri Verkasalo | 1997-01-14 |