Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6307192 | Ovenable food tray and its manufacturing method | Liisa Marjatta Kukko, Tapani Penttinen | 2001-10-23 |
| 6200644 | Methods for manufacturing packaging board | Liisa Marjatta Kukko, Tapani Penttinen | 2001-03-13 |