Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655472 | Asymmetric bridge | Lennart Hagelstam, Arjo Harjula | 1997-08-12 |
| 5615630 | Stern arrangement for a ship | Arjo Harjula | 1997-04-01 |
| 5609120 | Traction arrangement for a tug boat | — | 1997-03-11 |
| 5575230 | Tug boat for escort towing and/or harbor use | — | 1996-11-19 |
| 5460110 | Method for changing the characteristics of a ship and a hull form of an icebreaking ship | Arjo Harjula, Reijo Mattila | 1995-10-24 |