Granted Patent
Utility
US 6,511,226 · App. 09/945,938
Aluminum thrust washer
Inventors:
Ronald J. Thompson, Warren Whitney
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Sep 4, 2001
Inventors
Ronald J. Thompson
Warren Whitney
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.