Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632778 | Procedure for ceramizing radioactive wastes | Jukka Lehto, Olli Heinonen | 1986-12-30 |
| 4518550 | Method of manufacturing rigid frame building elements filled with hard foam plastic | Eero Virtanen | 1985-05-21 |