Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974843 | Hot-swappable hybrid APU for aircraft | Vernon Weng-Yew Chang, Charles Bernard Beuning, David Lee Swartzendruber | 2021-04-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974843 | Hot-swappable hybrid APU for aircraft | Vernon Weng-Yew Chang, Charles Bernard Beuning, David Lee Swartzendruber | 2021-04-13 |