Granted Patent
Utility
US 6,669,204 · App. 10/105,519
Cylinder head gasket having reinforced combustion seal
Inventors:
Richard Michael Larson, Gregory C. West
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Mar 25, 2002
Inventors
Richard Michael Larson
Gregory C. West
Assignee (at issue)
Federal-Mogul Worldwide, 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.