Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592694 | Flexible belt pressing laminating apparatus and method | Tarmo Willman, Lars Heselius | 2003-07-15 |
| 5328739 | Construction board | Lars Heselius | 1994-07-12 |
| 5313758 | Construction board and its manufacturing method | Tarmo Willman, Bjarne Pelto, Lars Heselius | 1994-05-24 |