Granted Patent
Utility
US 4,678,930 · App. 06/826,434
Microwave oven timer
Inventor:
Joseph J. Mahon
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Feb 5, 1986
Inventor
Joseph J. Mahon
Assignee (at issue)
Eaton Corporation
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.