Granted Patent
Utility
US 4,931,605 · App. 07/390,141
Multi-pole switch
Inventor:
Jon P. Zoller
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Aug 7, 1989
Inventor
Jon P. Zoller
Assignee (at issue)
ITT 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.