Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872146 | Method and apparatus for simulating phase coherent signal reflections in media containing randomly distributed targets | R. Del Huston | 1989-10-03 |
| 4800541 | Method for underwater acoustic direction sensing | Jane A. Verrall | 1989-01-24 |