Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11878810 | Auxiliary power systems, aircraft including the same, and related methods | John Carl Szillat, David Scott Krug, Paul R. Tretow, Keith Douglas Choyke, Royal E. Boggs +1 more | 2024-01-23 |
| 11279490 | Auxiliary power systems, aircraft including the same, and related methods | John Carl Szillat, David Scott Krug, Paul R. Tretow, Royal E. Boggs, Keith Douglas Choyke | 2022-03-22 |