Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057835 | Map and text display system for vehicle navigation | Richard C. Factor, Terry L. Pearsall, Laura A. Nass | 1991-10-15 |
| 4896154 | Map display system for vehicle navigation | Richard C. Factor, Terry L. Pearsall, Laura A. Nass | 1990-01-23 |