Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838757 | Frequency spectrum conversion to natural harmonic frequencies process | Alan Steven Howarth | 2010-11-23 |
| 7179979 | Frequency spectrum conversion to natural harmonic frequencies process | Alan Steven Howarth | 2007-02-20 |
| 6219618 | Aircraft navigational warning system | — | 2001-04-17 |
| 6092008 | Flight event record system | — | 2000-07-18 |