Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702273 | Marine propulsion system for underwater vehicles | William P. Krol, Jr. | 1997-12-30 |
| 5661260 | Fin assembly for a vehicle | Stanley J. Olson | 1997-08-26 |
| 5649811 | Combination motor and pump assembly | William P. Krol, Jr., James S. Uhlman, Ralph Andrew Bedingfield | 1997-07-22 |
| 5607329 | Integrated motor/marine propulsor with permanent magnet blades | Ralph Andrew Bedingfield, William P. Krol, Jr., James S. Uhlman | 1997-03-04 |