Granted Patent
Utility
US 6,123,255 · App. 09/137,332
Z-fold pressure seal with side opening envelope
Inventor:
Joseph T Chimera
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Aug 20, 1998
Inventor
Joseph T Chimera
Assignee (at issue)
Moore U.S.A., 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.