Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421299 | Single-transmit, dual-receive sonar | David A. Betts | 2002-07-16 |
| 5184330 | Multi-beam sonar fish detection apparatus providing real-time three-dimensional wire-frame display representation | James W. Adams, David A. Betts, David P. Donnelly, Alvin Nunley, III | 1993-02-02 |