IP Library › Granted Patent US 5,144,553
Granted Patent Utility
US 5,144,553 · App. 07/525,103

Electronic vehicle toll collection system and method

Inventors: John J. Hassett, John M. Harrison
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: May 17, 1990
Inventors
John J. Hassett
John M. Harrison

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,144,553
App. No.
07/525,103
Filed
1990-05-17
Granted
1992-09-01
Kind
A