Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816782 | Apparatus, systems and methods for navigation data transfer between portable devices | Thomas H. Walters, Ronald Byron Kabler | 2004-11-09 |
| 6735542 | Method and apparatus for calculating altitude based on barometric and GPS measurements | Scott Burgett | 2004-05-11 |
| 6687615 | Navigation system, method and device with detour algorithm | Michael Childs, Shane R. Runquist | 2004-02-03 |