Granted Patent
Utility
US 4,327,266 · App. 06/186,490
Microwave ovens for uniform heating
Inventors:
Buddy J. Austin, James E. Simpson
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Sep 12, 1980
Inventors
Buddy J. Austin
James E. Simpson
Assignee (at issue)
Amana Refrigeration, 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.