Granted Patent
Utility
US 4,474,732 · App. 06/087,728
Fully dense wear resistant alloy
Inventor:
Jean C. Lynn
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Oct 24, 1979
Inventor
Jean C. Lynn
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.