Granted Patent
Utility
US 4,332,992 · App. 06/105,084
Air flow system for combination microwave and convection oven
Inventors:
Wallace L. Larsen, Eliot R. Duncan
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Dec 19, 1979
Inventors
Wallace L. Larsen
Eliot R. Duncan
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.