Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741713 | Boat propeller drive unit | Lars Ohlsson, Kjell Borgersen | 1988-05-03 |
| 4624643 | Boat propeller drive unit with trim/tilt sensor | Lars Ohlsson, Kjell Borgersen | 1986-11-25 |
| 4589850 | Boat propeller drive unit | — | 1986-05-20 |