Granted Patent
Utility
US 4,847,722 · App. 07/097,680
Refrigerator and microwave oven and overdemand interrupt circuit
Inventor:
Robert Bennett
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Sep 17, 1987
Inventor
Robert Bennett
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.