Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657582 | Gimbaled tail rotor hub with spherical elastomeric centrifugal force bearing for blade retention and pitch change articulation | Frank B. Stamps, Drew Sutton, James Donn Hethcock | 2017-05-23 |