Granted Patent
Utility
US 4,340,793 · App. 05/907,715
Sub-miniature, two position double pole switch
Inventor:
Francis D. Kirchoff
Patented Case
View Patent ↗
Granted: Jul 20, 1982
Filed: May 19, 1978
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.