Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943363 | Digital spread spectrum GPS navigation receiver | Peter Hanson | 1999-08-24 |
| 5113958 | Snow travel vehicle | — | 1992-05-19 |
| 4756100 | Cross country ski track grooming device | — | 1988-07-12 |