Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569021 | Full flight regime autothrottle control system | Henri Peter-Contesse, Leonard P. Stephan | 1986-02-04 |
| 4205814 | Mach hold control circuit for autothrottle system | Leonard P. Stephan | 1980-06-03 |