Granted Patent
Utility
US 6,278,935 · App. 09/360,420
Method and system for providing instructions about tollways with a navigation system
Inventors:
Lawrence M. Kaplan, Frank J. Kozak
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jul 23, 1999
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.