Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358872 | Mineral fiber composition | Michael Perander, Peter Arnold Henrik Solin, Antero Olavi Pehkonen, Seija Marketta Maine | 2002-03-19 |
| 5843854 | Mineral fibre composition | Michael Perander, Peter Arnold Henrik Solin, Antero Olavi Pehkonen, Seija Marketta Maine | 1998-12-01 |