Granted Patent
Utility
US 5,900,293 · App. 08/780,112
Collapsible, monolayer microwaveable container
Inventor:
Jeffrey J. Zettle
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Dec 26, 1996
Inventor
Jeffrey J. Zettle
Assignee (at issue)
S.C. Johnson Home Storage, 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.