Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641087 | Anti-hijacking system operable in emergencies to deactivate on-board flight controls and remotely pilot aircraft utilizing autopilot | — | 2003-11-04 |
| 4305535 | Drum closure assembly | Daniel G. Brundige, Donald Freund | 1981-12-15 |
| 4299589 | Closure assembly positioning apparatus | Donald Freund | 1981-11-10 |
| 4252265 | Drum closure assembly | Daniel G. Brundige, Donald Freund | 1981-02-24 |