Granted Patent
Utility
US 6,062,406 · App. 09/048,523
Pivot pin and retention clip assembly for a railroad car coupler
Inventor:
Scott R. Duncan
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Mar 26, 1998
Inventor
Scott R. Duncan
Assignee (at issue)
NACO, 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.