Granted Patent
Utility
US 6,341,274 · App. 09/359,158
Method and apparatus for operating a secure metering device
Inventor:
J P Leon
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Jul 21, 1999
Inventor
J P Leon
Assignee (at issue)
Neopost Limited
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.