Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027836 | Rotorcraft with canted coaxial rotors | Michael J. Duffy, David H. Mason | 2021-06-08 |
| D913194 | Multi-rotor rotorcraft | Michael J. Duffy, Joshua B. Jarvis, David M. Neely, Eric J. Schulze | 2021-03-16 |