Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662821 | Automatic control device of a labyrinth seal clearance in a turbo jet engine | Robert Kervistin, Philippe Lefebvre | 1987-05-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662821 | Automatic control device of a labyrinth seal clearance in a turbo jet engine | Robert Kervistin, Philippe Lefebvre | 1987-05-05 |