Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662548 | Jet blade ejector nozzle | — | 2003-12-16 |
| 5941065 | Stowable mixer ejection nozzle | Gary L. Lidstone, Imre A. Szupkay, David L. Sandquist | 1999-08-24 |
| 5884843 | Engine noise suppression ejector nozzle | Gary L. Lidstone, Imre A. Szupkay, David L. Sandquist | 1999-03-23 |
| 5779150 | Aircraft engine ejector nozzle | Gary L. Lidstone, David L. Sandquist, Imre A. Szupkay | 1998-07-14 |
| 5149018 | Cooling system for a hypersonic aircraft | — | 1992-09-22 |
| 4968879 | Method and apparatus for measuring aircraft flight parameters | — | 1990-11-06 |
| 4688934 | Rotating polarizer angle sensing system | — | 1987-08-25 |