Granted Patent
Utility
US 6,208,057 · App. 09/221,483
Electrical machine with reduced audible noise
Inventors:
Roy David Schultz, Shawn Swales
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Dec 28, 1998
Inventors
Roy David Schultz
Shawn Swales
Assignee (at issue)
Visteon Global Technologies, Inc.
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.