Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5850200 | Magnetic crossed-loop antenna | Paul R. Johannessen | 1998-12-15 |
| 5796366 | Method of and apparatus for position location and tracking of a vehicle or the like by the reception at the vehicle of pulsed radio navigation signals as of the Loran-OC type and the like, with an autonomous loop antenna-receiver | Jan Anderson | 1998-08-18 |