Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677889 | Auto-docking system | H. Barteld Van Rees, Michael Joseph Delcheccolo, Delbert Lippert, Mark E. Russell, Walter Gordon Woodington | 2004-01-13 |
| 5327398 | Fishfinder with readout of bottom coverage | Jeffrey O. Fellows | 1994-07-05 |