Granted Patent
Utility
US 4,876,885 · App. 07/221,352
Railroad coupler mount
Inventors:
Gregory Martin, Gary W. Egerton
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Jul 19, 1988
Inventors
Gregory Martin
Gary W. Egerton
Assignee (at issue)
PULSE ELECTRONICS, 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.