Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697312 | Gas tanker | Jukka Linja, Jarmo Makinen | 1997-12-16 |
| 5662264 | Method for welding aluminum plates | Kalevi Heino | 1997-09-02 |
| 5648619 | Arrangement for inspection of welded plate sections | Jari Salmi, Heikki Laiho | 1997-07-15 |