Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907208 | Sonar transducer assembly for fishing boats | Roy E. Stiner, Phil Williams | 1990-03-06 |
| 4879697 | Sonar fish finder apparatus providing split-screen display | Ronald G. Weber | 1989-11-07 |