Granted Patent
Utility
US 5,193,850 · App. 07/901,188
Pressure seal Z-fold with transfer tape
Inventor:
Leo Lombardo
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Jun 19, 1992
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.