Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991499 | Waterjet propulsion apparatus | William Facinelli, John G. Purnell | 2006-01-31 |
| 6159060 | Protective shrouding with debris diverting inflow vanes for pump-jet propulsion unit | John G. Purnell | 2000-12-12 |
| 6059618 | Ventilated outboard motor-mounted pumpjet assembly | John G. Purnell | 2000-05-09 |