Granted Patent
Utility
US 6,438,561 · App. 09/196,409
Method and system for using real-time traffic broadcasts with navigation systems
Inventors:
Vijaya S. Israni, Robert Fernekes, Richard A. Ashby, David S. Lampert, John M. Jaugilas
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Nov 19, 1998
Inventors
Vijaya S. Israni
Robert Fernekes
Richard A. Ashby
David S. Lampert
John M. Jaugilas
Assignee (at issue)
Navigation Technologies Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.