Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655472 | Asymmetric bridge | Lennart Hagelstam, Harri Eronen | 1997-08-12 |
| 5615630 | Stern arrangement for a ship | Harri Eronen | 1997-04-01 |
| 5460110 | Method for changing the characteristics of a ship and a hull form of an icebreaking ship | Harri Eronen, Reijo Mattila | 1995-10-24 |
| 5218917 | Icebreaking ship | Pekka Salmi | 1993-06-15 |