Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190716 | Reflector | Simon John Stirland | 2015-11-17 |
| 4421320 | Boomerang | — | 1983-12-20 |
| 4226028 | NDB Instrument flight trainer | — | 1980-10-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190716 | Reflector | Simon John Stirland | 2015-11-17 |
| 4421320 | Boomerang | — | 1983-12-20 |
| 4226028 | NDB Instrument flight trainer | — | 1980-10-07 |