Granted Patent
Utility
US 6,317,685 · App. 09/523,794
Method and system for providing alternate routes with a navigation system
Inventors:
Frank J. Kozak, Lawrence M. Kaplan
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Mar 13, 2000
Inventors
Frank J. Kozak
Lawrence M. Kaplan
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.