Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993977 | Polymeric material and its use in multilayer products | Erkki Laiho, Markku Sainio, Seppo Kuusela, Elina Koski, Tapani Penttinen +1 more | 1999-11-30 |
| 5840385 | Cover for product package and method for producing same | Tapani Penttinen, Matti Salste | 1998-11-24 |
| 5738933 | Mutli-layer product | Tapani Penttinen, Matti Salste | 1998-04-14 |