Granted Patent
Utility
US 6,653,946 · App. 09/140,778
Electronic vehicle toll collection system and method
Inventor:
John J. Hassett
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Aug 27, 1998
Inventor
John J. Hassett
Assignee (at issue)
Transcore, LP
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.