Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for backtracking a path

Method and apparatus for backtracking a path

US Patent 6459987 · Granted Oct 1, 2002

Estimated economic value: $15,641,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Portable navigation system and device with audible turn instructions2008
Navigation system, method and device with automatic next turn page2007
System and method for estimating impedance time through a road network2007
Guidance with feature accounting for insignificant roads2007
Guidance with feature accounting for insignificant roads2007
System and method for estimating impedance time through a road network2007
Navigation system, method and device with detour algorithm2007
Navigation system, method and device with detour algorithm2006
Portable navigation system and device with audible turn instructions2006
GPS navigation device2006
GPS navigation device2006
PDA with integrated address book and electronic map waypoints2006