Granted Patent
Utility
US 5,650,601 · App. 08/479,094
Sealed switch assembly for use with a rotatable valve shaft
Inventors:
Donald M. Krueger, Paul D. Frazier
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jun 6, 1995
Inventors
Donald M. Krueger
Paul D. Frazier
Assignee (at issue)
Eaton 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.