Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660076 | Drive system of a rotating drum | Antti Tohkala, Pauli Vienola | 1997-08-26 |
| 5660218 | Blade system to be used in wood chipping, a blade; a guide member and a filler member as well as a method for changing blades | — | 1997-08-26 |