Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463384 | Geographic database including data for providing instructions about tollways | Lawrence M. Kaplan | 2002-10-08 |
| 6415226 | Method and system for providing safe routes using a navigation system | — | 2002-07-02 |
| 6411896 | Method and system for providing warnings to drivers of vehicles about slow-moving, fast-moving, or stationary objects located around the vehicles | David Shuman | 2002-06-25 |
| 6381533 | Method and system using positions of cellular phones matched to road network for collecting data | Aaron Crane, Joseph R. Roberts | 2002-04-30 |