Granted Patent
Utility
US 6,821,065 · App. 10/366,094
Autorack rail road car with reduced slack
Inventor:
James W. Forbes
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Feb 12, 2003
Inventor
James W. Forbes
Assignee (at issue)
National Steel Car 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.