Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193840 | Method for producing surface-treated paper | Heikki Ilvespaa, Antti Kuhasalo, Reima Kerttula | 2001-02-27 |
| 6126787 | Dry end of a paper machine | Heikki Ilvespaa, Antti Kuhasalo, Reima Kerttula | 2000-10-03 |
| 5756156 | Method for producing surface-treated paper and dry end of a paper machine | Heikki Ilvespaa, Antti Kuhasalo, Reima Kerttula | 1998-05-26 |