Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5031102 | Method and apparatus for aircraft pitch and thrust axes control | Robert D. Simpson | 1991-07-09 | $20,635,000 |
| 4471439 | Method and apparatus for aircraft pitch and thrust axes control | Robert D. Simpson | 1984-09-11 | $4,091,000 |
| 4357663 | Method and apparatus for aircraft pitch and thrust axes control | Robert D. Simpson | 1982-11-02 | $9,802,000 |