Granted Patent
Utility
US 6,749,381 · App. 09/981,357
Retractable coil stop mechanism for railroad coil car
Inventors:
Ilario A. Coslovi, Mohammed Al-Kaabi
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Oct 12, 2001
Inventors
Ilario A. Coslovi
Mohammed Al-Kaabi
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.