Granted Patent
Utility
US 4,396,111 · App. 06/222,426
Overload detector and interrupt for conveyor chain
Inventor:
William C. Kent
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jan 5, 1981
Inventor
William C. Kent
Assignee (at issue)
Western Electric Company, 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.