Granted Patent
Utility
US 6,598,581 · App. 10/022,748
Metallic coating on a component of an internal combustion engine
Inventor:
James John Kempf
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Dec 13, 2001
Inventor
James John Kempf
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.