Granted Patent
Utility
US 6,253,151 · App. 09/602,127
Navigation system with feature for reporting errors
Inventors:
Jean K. Ohler, Mark Barton, Roy Casino, Lawrence M. Kaplan
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Jun 23, 2000
Inventors
Jean K. Ohler
Mark Barton
Roy Casino
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.