Granted Patent
Utility
US 5,749,686 · App. 08/641,377
Pivotable sidewall mounted container stop for railcar well
Inventors:
Ronald S. Butcher, Ilario A. Coslovi
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 30, 1996
Inventors
Ronald S. Butcher
Ilario A. Coslovi
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.