Granted Patent
Utility
US 5,171,950 · App. 07/405,813
Flexible pouch and paper bag combination for use in the microwave popping of popcorn
Inventors:
Arne H. Brauner, Charles A. Davis
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Sep 11, 1989
Inventors
Arne H. Brauner
Charles A. Davis
Assignee (at issue)
General Mills, 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.