Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669946 | Launch and recovery system for unmanned aerial vehicles | William R. McDonnell | 2017-06-06 |
| 8517306 | Launch and recovery system for unmanned aerial vehicles | William R. McDonnell | 2013-08-27 |
| 4458486 | Wobble-torque hydraulic transmission | — | 1984-07-10 |