Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700586 | Laminate and production method thereof | Erkki Laiho | 1997-12-23 |
| 5677069 | Plastic material for packaging | Hanneli Seppanen, Torvald Vestberg, Lars-åke Mattsson | 1997-10-14 |
| 5663232 | Plastic material for packaging | Hanneli Seppanen, Marja Ora, Lars-åke Mattsson, Torvald Vestberg | 1997-09-02 |