Granted Patent
Utility
US 5,794,536 · App. 08/670,778
End design for a railway type freight car
Inventors:
David W. Daugherty, Jr., Staffan Brandt
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Jun 20, 1996
Inventors
David W. Daugherty, Jr.
Staffan Brandt
Assignee (at issue)
Westinghouse Air Brake Co.
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.