Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609063 | System and method for using a map database with attributed no-outlet and circular segments | Laurence P. Lehman, Derwin Chow | 2003-08-19 |
| 6539302 | Method, system, and article of manufacture for providing notification of traffic conditions | Michael Brian Lane, Laurence P. Lehman | 2003-03-25 |