Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988189 | Passive ranging system especially for use with an electro-optical imaging system | Richard F. Kroupa, Thomas Willett | 1991-01-29 |
| 4497065 | Target recognition system enhanced by active signature measurements | Harley B. Lindemann | 1985-01-29 |