Granted Patent
Utility
US 4,896,079 · App. 07/197,027
Bi-level switch
Inventor:
Jim Tabor
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: May 20, 1988
Inventor
Jim Tabor
Assignee (at issue)
Prescolite, 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.