Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645335 | Surface treatment method in particular for improving barrier and printing properties of webs | Heikki Ahonen | 2003-11-11 |
| 6497793 | Apparatus and method for grinding webs made of fiber material | Heikki Ahonen | 2002-12-24 |
| 6468133 | Method for treating fibrous webs | Heikki Ahonen | 2002-10-22 |
| 6413591 | Method of coating cellulosic and lignocellulosic webs | Heikki Ahonen | 2002-07-02 |
| 5773131 | Paper or cardboard product | — | 1998-06-30 |