Granted Patent
Utility
US 6,264,566 · App. 09/475,863
Thrust washer for universal joint
Inventors:
Andrew L. Nieman, Leon W. Valencic
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Dec 30, 1999
Inventors
Andrew L. Nieman
Leon W. Valencic
Assignee (at issue)
DANA LIMITED
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.