Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337762 | Substrate having porous sheet(s) for treating exhaust gases of combustion engines | Aulis Vakkilainen, Reijo Lylykangas, Ritva Heikkinen, Teuvo Maunula, Matti Härkönen | 2012-12-25 |
| 8070847 | Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines | Juha-Matti Asenbrygg, Pekka Matilainen, Erkki Narhi, Kati Lehtoranta | 2011-12-06 |