Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659476 | Land vehicle navigation apparatus and method for planning a recovery route | Rebecca K. LeFebvre, Kenneth B. Hohl | 1997-08-19 |
| 5612882 | Method and apparatus for providing navigation guidance | Rebecca K. LeFebvre, Patrick M. Ryan, Leslie G. Seymour, Yilin Zhao | 1997-03-18 |
| 5519619 | Route planning method for hierarchical map routing and apparatus therefor | — | 1996-05-21 |