Granted Patent
Utility
US 4,776,474 · App. 06/699,817
Railroad car coupler arrangement limiting excess lateral movement of the coupler shank
Inventors:
Boris S. Terlecky, Ronald P. Sellberg, Russell G. Altherr
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Feb 8, 1985
Inventors
Boris S. Terlecky
Ronald P. Sellberg
Russell G. Altherr
Assignees (at issue)
AMSTED INDUSTRIES INCORPORATED
Trailer Train Company
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.