Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9221556 | Airplane off ground advisory system | Keith Herbert | 2015-12-29 |
| 6676075 | Airplane hard landing indication system | Samuel J. Cowan, Ronald L. Cox, Harry Wilbert Slusher | 2004-01-13 |