Granted Patent
Utility
US 6,728,628 · App. 10/309,546
Portable traffic information system
Inventor:
Ryan Peterson
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Dec 3, 2002
Inventor
Ryan Peterson
Assignee (at issue)
TrafficGauge, Inc.
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.