Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714309 | Reflection holograms | Stuart S. Duncan | 1987-12-22 |
| 4518254 | Ocean depth sounding from the air by laser beam | Michael Frederick Penny, Ralph H. Abbot, David M. Phillips, Leendert B. Spaans | 1985-05-21 |