Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817871 | Control system for turbojet engine nozzle flaps | Yves R. J. Berneuil | 1989-04-04 |
| 4805398 | Turbo-machine with device for automatically controlling the rate of flow of turbine ventilation air | Jean-Mac Payen, Georges Mazeaud | 1989-02-21 |