Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164456 | Method of preparing a polyolefin-vinyl polymer-composite | Ismo Lehtiniemi | 1992-11-17 |
| 5158707 | Conductive plastic composite and its preparation and use | Jukka Laakso, Jan-Erik sterholm, Ismo Lehtiniemi | 1992-10-27 |