Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable navigation system and device with audible turn instructions

Portable navigation system and device with audible turn instructions

US Patent 7409288 · Granted Aug 5, 2008

Estimated economic value: $105,572,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for dictation with a digital stethoscope2025
Systems and methods for a hybrid analog-digital stethoscope2025
Systems and methods for determining and communicating information to a pharmacy 2019
Methods and systems to interface navigation operations2009
Systems and methods with integrated triangulation positioning and dead reckoning2009
Combined global positioning system receiver and radio2008
Device and method for calibrating and improving the accuracy of barometric altim2008
Combined global positioning system receiver and radio2008
Navigation system, method and device with automatic next turn page2007
Portable navigation device with releasable antenna2007
System and method for estimating impedance time through a road network2007
Guidance with feature accounting for insignificant roads2007