Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988035 | Varying quantities of motor poles for noise reduction | Michael J. Armstrong, Mark Jon Blackwelder, Ellis Fui Hen Chong | 2021-04-27 |
| 10442542 | Varying quantities of motor poles for noise reduction | Michael J. Armstrong, Mark Jon Blackwelder, Ellis Fui Hen Chong | 2019-10-15 |
| 9581025 | Aircraft power plant | — | 2017-02-28 |
| 8720815 | Aircraft propulsion system | Daniel K. Vetters, Robert W. Cedoz | 2014-05-13 |
| 8701381 | Remote shaft driven open rotor propulsion system with electrical power generation | — | 2014-04-22 |
| 8376263 | Roadable aircraft | — | 2013-02-19 |