Granted Patent
Utility
US 4,809,906 · App. 07/125,211
Return mailer in place of flip window
Inventor:
Leo Lombardo
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Nov 25, 1987
Inventor
Leo Lombardo
Assignee (at issue)
Moore Business Forms, 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.