Granted Patent
Utility
US 4,480,758 · App. 06/438,581
Railway coupler arrangement
Inventors:
Alvin G. Hurt, Lynn K. Tilly
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Nov 3, 1982
Inventors
Alvin G. Hurt
Lynn K. Tilly
Assignee (at issue)
McConway & Torley, LLC
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.