Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820336 | Making a powder metal roll end for a heatable roll | Arttu Laitinen, Matti Tervonen, Mika Viljanmaa, Pekka Koivukunnas, Erkki Leinonen +1 more | 2004-11-23 |
| 5623726 | Roll manufacture | Jari Liimatainen, Hannu Martikainen | 1997-04-22 |