Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351913 | Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors | Fred W. Kohlhepp, Vincent F. Millea | 1994-10-04 |
| 5340279 | Snubber assembly for a rotor assembly having ducted, coaxial counter-rotating rotors | David H. Hunter, Timothy A. Krauss | 1994-08-23 |
| 5277380 | Toroidal fuselage structure for unmanned aerial vehicles having ducted, coaxial, counter-rotating rotors | Kenneth M. Furnes, Fred W. Kohlhepp, Marvin D. Farrell, David F. Sandy | 1994-01-11 |