Granted Patent
Utility
US 4,354,076 · App. 06/184,858
Switch position indicator
Inventor:
Kurt Lutzenberger
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Sep 8, 1980
Inventor
Kurt Lutzenberger
Assignee (at issue)
Switchcraft, 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.