Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351233 | Vibration control of a swashplateless coaxial rotor | William A. Welsh, Steven D. Weiner | 2019-07-16 |
| 10112708 | Weight efficient servo attachment scheme for rigid coaxial rotor control system | David A. Darrow, Jr., Stephen V. Poulin | 2018-10-30 |
| 9452831 | Integration of rotary electrical actuator for swashplateless individual blade control | William A. Welsh, Michael Joseph DeVita, Timothy Fred Lauder | 2016-09-27 |