Granted Patent
Utility
US 4,563,560 · App. 06/387,723
Microwave oven construction
Inventor:
Howard E. Bonner
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Jun 11, 1982
Inventor
Howard E. Bonner
Assignee (at issue)
Litton Systems, 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.