Granted Patent
Utility
US 5,572,931 · App. 08/351,775
Railcar truck bearing adapter construction
Inventors:
Glen F. Lazar, V. Terrey Hawthorne, Norman A. Berg
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Dec 8, 1994
Inventors
Glen F. Lazar
V. Terrey Hawthorne
Norman A. Berg
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.