Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12157579 | Counter rotating torque drive for rotary wing vehicle propulsion | Evan R. Ulrich | 2024-12-03 |
| 10864987 | Counter rotating torque drive for rotary wing vehicle propulsion | Evan R. Ulrich | 2020-12-15 |