Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419513 | Ancillary aerodynamic structures for an unmanned aerial vehicle having ducted, coaxial counter-rotating rotors | Robert James Flemming, Kenneth M. Rosen | 1995-05-30 |
| 5310137 | Helicopter active noise control system | Charles A. Yoerkie, Jr., William A. Welsh | 1994-05-10 |
| 5118051 | Roll vibration absorber | David S. Jenney, Phillip Mordaunt | 1992-06-02 |