Granted Patent
Utility
US 4,339,078 · App. 06/173,552
Tank car coating apparatus
Inventors:
Charles Hamilton Ford, Arthur W. Gill, John W. Smith, Louis L. Freeman, Jr
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jul 30, 1980
Inventors
Charles Hamilton Ford
Arthur W. Gill
John W. Smith
Louis L. Freeman, Jr
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.