Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819629 | Method for distinguishing return echoes from noise | Duane E. Cummings, Raphael J. Marzean | 2004-11-16 |
| 6768701 | Flasher-type fish finder with zoom feature | Duane E. Cummings, Raphael J. Marzean | 2004-07-27 |