Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409288 | Portable navigation system and device with audible turn instructions | Michael Childs, Scott Burgett, Thomas H. Walters | 2008-08-05 |
| 7308359 | Navigation system, method and device with automatic next turn page | Mark D. Tompkins, Shane R. Runquist | 2007-12-11 |
| 7184886 | Navigation system, method and device with detour algorithm | Michael Childs, Shane R. Runquist | 2007-02-27 |
| 7120539 | Navigation system, method and device with detour algorithm | Michael Childs, Shane R. Runquist | 2006-10-10 |
| 7062378 | Portable navigation system and device with audible turn instructions | Michael Childs, Scott Burgett, Thomas H. Walters | 2006-06-13 |
| 7054725 | GPS navigation device | Matthew C. Burch, David C. Brown, Cliff Pemble | 2006-05-30 |
| 7047113 | GPS navigation device | Matthew C. Burch, David C. Brown, Cliff Pemble | 2006-05-16 |
| 7043362 | PDA with integrated address book and electronic map waypoints | Michael Childs, Matthew C. Burch, Benjamin Jones, Paul McAlister | 2006-05-09 |
| 6999873 | Navigation system, method and device with detour algorithm | Michael Childs, Shane R. Runquist | 2006-02-14 |
| 6970795 | Method and apparatus for calculating altitude based on barometric and GPS measurements | Scott Burgett | 2005-11-29 |
| 6947838 | Systems and methods for a PDA with improved route calculation capabilities | Michael Childs, Scott Burgett, Thomas H. Walters | 2005-09-20 |
| 6901330 | Navigation system, method and device with voice guidance | Scott Burgett, Shane R. Runquist, Jarrod W. Seymour | 2005-05-31 |
| 6892135 | Navigation system, method and device with automatic next turn page | Mark D. Tompkins, Shane R. Runquist | 2005-05-10 |
| 6889138 | PDA system, method and device with automatic next turn page | Mark D. Tompkins, Shane R. Runquist | 2005-05-03 |
| 6882932 | Systems, functional data, and methods to bias map matching | Mark D. Tompkins | 2005-04-19 |
| 6865453 | GPS navigation device | Matthew C. Burch, David C. Brown, Cliff Pemble | 2005-03-08 |
| 6856899 | Systems and methods for a navigational device with improved route calculation capabilities | Michael Childs, Scott Burgett, Thomas H. Walters | 2005-02-15 |
| 6856898 | PDA systems, functional data, and methods to bias map matching | Mark D. Tompkins | 2005-02-15 |
| 6845320 | Systems, functional data, and methods to bias map matching | Mark D. Tompkins | 2005-01-18 |
| 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 |
| 6545637 | Systems and methods for a navigational device with improved route calculation capabilities | Michael Childs, Scott Burgett, Thomas H. Walters | 2003-04-08 |
| 6546335 | System, functional data, and methods to bias map matching | Mark D. Tompkins | 2003-04-08 |
| 6459987 | Method and apparatus for backtracking a path | Darin J. Beesley | 2002-10-01 |