Granted Patent
Utility
US 4,287,833 · App. 06/077,255
Auto carrier railway car
Inventors:
David J. Roldness, Felixberto A. Galasan, Thomas H. Watson
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Sep 19, 1979
Inventors
David J. Roldness
Felixberto A. Galasan
Thomas H. Watson
Assignee (at issue)
The Pullman Company 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.