Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409798 | Process for recovering metal material from waste material | Jorma Nieminen, Markku Itäpelto, Pekka Harkki, Lauri Mäkipaja | 2002-06-25 |
| 6401635 | Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material | Jorma Nieminen, Markku Itäpelto, Pekka Harkki, Lauri Mäkipaja | 2002-06-11 |