Granted Patent
Utility
US 4,480,159 · App. 06/525,717
Sub-miniature three position switch with built-in lever lock
Inventor:
Francis D. Kirchoff
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Aug 23, 1983
Inventor
Francis D. Kirchoff
Assignee (at issue)
Alco Electronic Products, 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.