Granted Patent
Utility
US 4,868,997 · App. 07/208,970
Dryer timer
Inventors:
Steven W. Smock, Ross G. Helet
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Jun 20, 1988
Inventors
Steven W. Smock
Ross G. Helet
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.