Granted Patent
Utility
US 4,645,886 · App. 06/718,931
"Switch for automatically providing a safety function when its contacts are fused together in the ""ON"" position"
Inventor:
James E. Williams
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Apr 2, 1985
Inventor
James E. Williams
Assignee (at issue)
Cuisinarts, 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.