Granted Patent
Utility
US 6,370,539 · App. 09/694,589
Interface layer for navigation system
Inventors:
Richard A. Ashby, Paul M. Bouzide, Vijaya S. Israni, David S. Lampert, Senthil Natesan, Grant S. Killey, John Jasper, Robert Fernekes, Jerry Feigen
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Oct 23, 2000
Inventors
Richard A. Ashby
Paul M. Bouzide
Vijaya S. Israni
David S. Lampert
Senthil Natesan
Grant S. Killey
John Jasper
Robert Fernekes
Jerry Feigen
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.