Granted Patent
Utility
US 4,650,945 · App. 06/402,163
Four terminal switch
Inventors:
Steven W. Smock, William J. Hueber
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Jul 26, 1982
Inventors
Steven W. Smock
William J. Hueber
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.