Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878236 | Raw material for printing paper, a method for producing said raw material and a printing paper | Taisto Tienvieri | 2005-04-12 |
| 6818099 | Raw material for printing paper, method to produce it and printing paper | Taisto Tienvieri | 2004-11-16 |