Granted Patent
Utility
US 5,601,183 · App. 07/792,966
Two-pole make-before-break switch
Inventors:
M. Douglas Boyd, Tom J. Oshgan, Robert Krawczyk
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Nov 15, 1991
Inventors
M. Douglas Boyd
Tom J. Oshgan
Robert Krawczyk
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.