Granted Patent
Utility
US 6,123,106 · App. 09/454,269
Thrust washer
Inventor:
Evan Benstead
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Dec 3, 1999
Inventor
Evan Benstead
Assignee (at issue)
Emhart 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.