Granted Patent
Utility
US 5,589,671 · App. 08/518,108
Rotary switch with spring stabilized contact control rotor
Inventors:
David G. Hackbarth, Kenyon A. Hapke, Spencer C. Schantz
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Aug 22, 1995
Inventors
David G. Hackbarth
Kenyon A. Hapke
Spencer C. Schantz
Assignee (at issue)
U.S. Controls Corporation
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.