Granted Patent
Utility
US 4,253,790 · App. 05/745,329
Car for carrying large vessels
Inventors:
Richard E. Aberegg, George H. Bell, Jr., Kendal B. Douglass, Lee R. Reed, Jr.
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Nov 26, 1976
Inventors
Richard E. Aberegg
George H. Bell, Jr.
Kendal B. Douglass
Lee R. Reed, Jr.
Assignee (at issue)
United States 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.