Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487495 | Navigation applications using related location-referenced keywords | William Gale, Ildiko Hegedus, Matthias Thorner | 2002-11-26 |
| 6463384 | Geographic database including data for providing instructions about tollways | Frank J. Kozak | 2002-10-08 |
| 6401034 | Method and system for finding intermediate destinations with a navigation system | John Hanson | 2002-06-04 |
| 6381537 | Method and system for obtaining geographic data using navigation systems | William W. Chenault | 2002-04-30 |