Granted Patent
Utility
US 4,848,611 · App. 07/173,232
Railroad car coupler arrangement limiting excess lateral movement of the coupler shank
Inventors:
Boris S. Terlecky, Ronald P. Sellberg
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Mar 24, 1988
Inventors
Boris S. Terlecky
Ronald P. Sellberg
Assignees (at issue)
Trailer Train Company
AMSTED INDUSTRIES INCORPORATED
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.