Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187144 | Method for sizing paper | Hannu Ketola, Tuija Andersson, Asko Karppi, Antti Likitalo | 2001-02-13 |
| 5009016 | Method for on-machine coating-drying of a paper web or the like | Matti Lepisto, Reijo Ilmanen, Markku Karlsson | 1991-04-23 |