Granted Patent
Utility
US 5,805,083 · App. 08/848,559
Electronic parking meter operating system
Inventors:
Joseph H. Sutton, J. Michael Rodgers, Ralph H. Carmen
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Apr 28, 1997
Inventors
Joseph H. Sutton
J. Michael Rodgers
Ralph H. Carmen
Assignee (at issue)
Duncan Industries Parking Control Systems
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.