Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8463465 | Compound aircraft control system and method | Andrew S. Greenjack, Joseph F. Horn | 2013-06-11 |
| 7908044 | Compound aircraft control system and method | Andrew S. Greenjack, Joseph F. Horn | 2011-03-15 |
| 7823827 | Vectored thruster augmented aircraft | Frederick W. Piasecki | 2010-11-02 |
| 7438259 | Compound aircraft control system and method | Andrew S. Greenjack, Joseph F. Horn | 2008-10-21 |
| 6098921 | Rotary wing aircraft supplementary power drive system | — | 2000-08-08 |
| 5393015 | Rotary wing aircraft in-flight refueling device | — | 1995-02-28 |
| 5188313 | Glider aircraft tow control system | — | 1993-02-23 |
| 5123613 | Rotary wing aircraft shrouded propeller tail assembly and controls | — | 1992-06-23 |
| 4995572 | High altitude multi-stage data acquisition system and method of launching stratospheric altitude air-buoyant vehicles | — | 1991-02-26 |
| 4905932 | Rotary wing aircraft shrouded propeller tail assembly | — | 1990-03-06 |
| 4624599 | Multi-tubular truss joint and method of joining tube ends | — | 1986-11-25 |
| 4591112 | Vectored thrust airship | Donald N. Meyers | 1986-05-27 |