Granted Patent
Utility
US 6,129,634 · App. 09/192,089
Thrust washer for universal joint
Inventor:
Andrew L. Nieman
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Nov 13, 1998
Inventor
Andrew L. Nieman
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.