Granted Patent
Utility
US 6,367,976 · App. 09/590,623
Multi-gusset for pinch closure bag
Inventor:
Roger Bannister
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Jun 8, 2000
Inventor
Roger Bannister
Assignee (at issue)
Bemis Associates, 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.