Granted Patent
Utility
US 4,237,791 · App. 05/936,212
Radial axle railway truck disc brakes
Inventors:
Keith L. Jackson, James J. Reece
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Aug 24, 1978
Inventors
Keith L. Jackson
James J. Reece
Assignee (at issue)
General Steel Industries, Inc.
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.