Granted Patent
Utility
US 6,701,304 · App. 09/358,801
Method and apparatus for postage label authentication
Inventor:
JP Leon
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jul 21, 1999
Inventor
JP 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.