Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6282495 | Vehicle navigation system with improved powerup performance | Larry Spencer | 2001-08-28 |
| 6059843 | Vehicle navigation system with improved powerup performance | — | 2000-05-09 |
| 6055479 | Vehicle navigation system with improved powerup performance | Larry Spencer | 2000-04-25 |
| 6052646 | Vehicle navigation system with improved powerup performance | Larry Spencer | 2000-04-18 |