Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642684 | Thrust director unit for a marine vessel | — | 1997-07-01 |
| 5289793 | Heliconic thruster system for a marine vessel | — | 1994-03-01 |
| 4543900 | Shipboard ice lubrication system and jet pump for use therein | — | 1985-10-01 |
| 4522141 | Shipboard ice lubrication system and jet pump for use therein | — | 1985-06-11 |
| 4455960 | Fluid valve actuated boat thruster | — | 1984-06-26 |
| 4423696 | Improved boat thruster system including swirl reducing vanes | — | 1984-01-03 |