Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922556 | Flushing means | — | 1990-05-08 |
| 4842011 | Flushing means | — | 1989-06-27 |
| 4567872 | Unit fuel injector and system therefor | — | 1986-02-04 |
| 4388736 | Tank flushing means | Peter V. Roosa | 1983-06-21 |
| 4341238 | Flushing means | Peter V. Roosa | 1982-07-27 |
| 4259059 | Extension lighter | Peter V. Roosa | 1981-03-31 |