Granted Patent
Utility
US 6,520,685 · App. 09/963,315
Thrust bearing with heavy-duty anti-reversal feature
Inventor:
Matthew G. Urmaza
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Sep 26, 2001
Inventor
Matthew G. Urmaza
Assignee (at issue)
The Torrington Company
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.