Granted Patent
Utility
US 6,463,384 · App. 09/852,900
Geographic database including data for providing instructions about tollways
Inventors:
Lawrence M. Kaplan, Frank J. Kozak
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: May 10, 2001
Inventors
Lawrence M. Kaplan
Frank J. Kozak
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.