Granted Patent
Utility
US 6,184,823 · App. 09/071,721
Geographic database architecture for representation of named intersections and complex intersections and methods for formation thereof and use in a navigation application program
Inventors:
Nicholas E. Smith, Richard A. Ashby, Vijaya S. Israni
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: May 1, 1998
Inventors
Nicholas E. Smith
Richard A. Ashby
Vijaya S. Israni
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.