Granted Patent
Utility
US 4,361,097 · App. 05/807,767
Railway gondola cars
Inventors:
Richard H. Jones, Gus D. Holabeck, Robert Dorian
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Jun 17, 1977
Inventors
Richard H. Jones
Gus D. Holabeck
Robert Dorian
Assignee (at issue)
Bethlehem Steel 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.