Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7755974 | Side scan sonar imaging system with enhancement | David A. Betts, Robert W. Derrow | 2010-07-13 |
| 7729203 | Side scan sonar imaging system with associated GPS data | David A. Betts, Robert W. Derrow | 2010-06-01 |
| 7710825 | Side scan sonar imaging system with boat position on display | David A. Betts, Robert W. Derrow | 2010-05-04 |
| 7652952 | Sonar imaging system for mounting to watercraft | David A. Betts, Robert W. Derrow | 2010-01-26 |