Granted Patent
Utility
US 6,003,445 · App. 08/920,548
Retractable container stop and guide assembly for railroad freight cars
Inventors:
Ilario A. Coslovi, Tomasz Bis, James W. Forbes
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Aug 29, 1997
Inventors
Ilario A. Coslovi
Tomasz Bis
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.