Granted Patent
Utility
US 5,886,447 · App. 08/960,892
Slip ring design for a rotor of an electrical machine
Inventors:
Michael John Hatsios, Richard Kenneth Harris, Michael T. York
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Oct 30, 1997
Inventors
Michael John Hatsios
Richard Kenneth Harris
Michael T. York
Assignee (at issue)
Ford Motor Company
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.