Granted Patent
Utility
US 4,243,149 · App. 05/916,486
Railroad car draft gear and coupler arrangement
Inventor:
Kenneth L. DePenti
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Jun 19, 1978
Inventor
Kenneth L. DePenti
Assignee (at issue)
Midland-Ross Corporation
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.