Granted Patent
Utility
US 6,431,437 · App. 09/820,643
Z-fold mailer with built-in return envelope
Inventors:
Leo Lombardo, Paul-David Morrison
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Mar 30, 2001
Inventors
Leo Lombardo
Paul-David Morrison
Assignee (at issue)
Moore North America, Inc.
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.