Granted Patent
Utility
US 4,426,012 · App. 06/323,529
Railway car coupler
Inventors:
George E. Adams, III, Edwin C. Bailey, Richard F. Klimowicz, Geoffrey W. Cope
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Nov 23, 1981
Inventors
George E. Adams, III
Edwin C. Bailey
Richard F. Klimowicz
Geoffrey W. Cope
Assignee (at issue)
Dresser Industries, Inc.
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.