Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327220 | Sonar location monitor | James E. Halwachs, Arnold F. Farstad | 2001-12-04 |
| 5907281 | Swimmer location monitor | James E. Halwachs, Arnold J. Farstad | 1999-05-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327220 | Sonar location monitor | James E. Halwachs, Arnold F. Farstad | 2001-12-04 |
| 5907281 | Swimmer location monitor | James E. Halwachs, Arnold J. Farstad | 1999-05-25 |