Granted Patent
Utility
US 6,276,283 · App. 09/287,826
Railway truck wear plate
Inventor:
Earl K. Weber
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Apr 7, 1999
Inventor
Earl K. Weber
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.