Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6587785 | Method and system for mobile vehicle re-routing | Jeffrey M. Stefan | 2003-07-01 |
| 6507785 | Method and system for detecting and correcting off route navigation for server based route guidance systems | Jeffrey M. Stefan | 2003-01-14 |