Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053224 | Device for pressure treatment of wood | Keijo Hellgren | 2000-04-25 |
| 4186582 | Press for hydrostatic extrusion of tubes and profiles | Kai Nilsson, Rolf Sjoblom, Marja Widell | 1980-02-05 |