Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065371 | Depth finder having variable measurement capabilities | David R. Leavell, Kenneth W. Goodman | 1991-11-12 |
| 4943951 | Depth finder with tutorial | David R. Leavell, Bruce L. Bacon | 1990-07-24 |