Granted Patent
Utility
US 6,798,357 · App. 10/247,399
Method and system for collecting traffic information
Inventor:
M. Salahuddin Khan
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Sep 19, 2002
Inventor
M. Salahuddin Khan
Assignee (at issue)
Navteq North America, LLC
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.