Granted Patent
Utility
US 6,099,209 · App. 09/130,576
Cutting tool and method for producing and cutting a non-porous surface layer
Inventors:
Gerald D. Murray, Edward J. Oles
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Aug 7, 1998
Inventors
Gerald D. Murray
Edward J. Oles
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.