Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436232 | Procedure for adding a filler into a pulp based on cellulose fibers | Markku Leskelä, Johan Gullichsen, Esa Halinen | 2002-08-20 |
| 6375794 | Filler for use in paper manufacture and procedure for producing a filler | Markku Leskelä | 2002-04-23 |