Granted Patent
Utility
US 4,490,588 · App. 06/434,952
Rotary switch
Inventors:
Horst Guenther, Wolfgang Roesl
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Oct 18, 1982
Inventors
Horst Guenther
Wolfgang Roesl
Assignee (at issue)
International Standard Electric 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.