Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428735 | Propeller mount for icebreaker | Bengt Johansson, Arno Keinonen, Colin Revill, Vlodek Laskow | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428735 | Propeller mount for icebreaker | Bengt Johansson, Arno Keinonen, Colin Revill, Vlodek Laskow | 1984-01-31 |