Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274226 | Attitude director indicator | Donald F. Schmidt | 1984-06-12 |
| D274045 | Attitude director indicator | Donald F. Schmidt | 1984-05-29 |
| D274046 | Attitude director indicator | Donald F. Schmidt | 1984-05-29 |
| D274044 | Attitude director indicator | Donald F. Schmidt | 1984-05-29 |
| D274047 | Attitude director indicator | Donald F. Schmidt | 1984-05-29 |
| D257832 | Altitude/vertical speed indicator | Roger L. Flint | 1981-01-13 |
| D256678 | Attitude director indicator | Donald F. Schmidt | 1980-09-02 |