Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723444 | Spin resistant aircraft configuration | Matthew Gionta, Jon Karkow, Dieter Koehler, David Lednicer | 2020-07-28 |
| 9926071 | Spin resistant aircraft configuration | Matthew Gionta, Jon Karkow, Dieter Koehler, David Lednicer | 2018-03-27 |
| 9327828 | Spin resistant aircraft configuration | Matthew Gionta, Jon Karkow, Dieter Koehler, David Lednicer | 2016-05-03 |
| 5697468 | Spoiler system for ground effect vehicles | William F. Russell | 1997-12-16 |
| D371105 | Aircraft | Arthur Deryck Bray Graham, Graham Swannell | 1996-06-25 |
| D326255 | Aircraft | Arthur Deryck Bray Graham, Graham Swanell | 1992-05-19 |