Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7318881 | Process for sizing paper | Erik Lindgren, Sten Frolich, Michael Persson | 2008-01-15 |
| 6818100 | Process for sizing paper | Erik Lindgren, Sten Frolich, Michael Persson | 2004-11-16 |