Granted Patent
Utility
US 4,696,238 · App. 06/792,215
End structure for railway car
Inventors:
Robert Billingsley, Steven L. Jantzen, Walter E. O'Leary, John A. Krug
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Oct 28, 1985
Inventors
Robert Billingsley
Steven L. Jantzen
Walter E. O'Leary
John A. Krug
Assignee (at issue)
ACF Industries Incorporated
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.