Granted Patent
Utility
US 4,841,496 · App. 07/134,166
Appliance timer
Inventors:
George W. Adams, Steven W. Smock, Ross G. Helft
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Dec 17, 1987
Inventors
George W. Adams
Steven W. Smock
Ross G. Helft
Assignee (at issue)
Emhart Industries, 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.