Granted Patent
Utility
US 5,230,914 · App. 07/694,643
Metal foil food package for microwave cooking
Inventor:
Myron Akervik
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: May 2, 1991
Inventor
Myron Akervik
Assignee (at issue)
Luigino's 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.