Granted Patent
Utility
US 5,122,017 · App. 07/657,482
Cutting insert with chip control
Inventor:
Kenneth L. Niebauer
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Feb 19, 1991
Inventor
Kenneth L. Niebauer
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.