Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689377 | Solid formic acid product | Jouko Arvola, Pekka Johnson, Juha Kangastalo, Marjo Luoma, Ilkka Pollari | 2004-02-10 |
| 5898065 | Neutralization of tall oil soap | Elias Varila | 1999-04-27 |
| 5685143 | Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas | Eero Kynsilehto | 1997-11-11 |
| 5590522 | Catalytic combustion engine exhaust gas purifier with additional air supply | Eero Kynsilehto | 1997-01-07 |