Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099012 | Adjustment of altitude measurements | Steven G. Testrake | 2015-08-04 |
| 8784107 | Flight training system | Steven G. Testrake, Keith Shean, Robert Herbert | 2014-07-22 |
| 4803418 | In-line electrical switch for AC power supply | — | 1989-02-07 |