Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461708 | Procedure for purifying effluent waters, particularly those produced in wood-processing industry | Risto Hakulinen, Marja Salkinoja-Salonen, Juhani Kyytsonen | 1984-07-24 |