Granted Patent
Utility
US 6,718,258 · App. 09/590,213
Method and system for obtaining user feedback regarding geographic data
Inventor:
Mark Barton
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jun 8, 2000
Inventor
Mark Barton
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.