Granted Patent
Utility
US 5,686,119 · App. 08/594,606
Composite cermet articles and method of making
Inventor:
Robert R. McNaughton, Jr.
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Feb 2, 1996
Inventor
Robert R. McNaughton, Jr.
Assignee (at issue)
KENNAMETAL 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.