Granted Patent
Utility
US 4,466,513 · App. 06/328,903
Railroad brake shoe-brake beam assembly
Inventor:
Tomasz W. Dedek
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Dec 9, 1981
Inventor
Tomasz W. Dedek
Assignee (at issue)
AMSTED 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.