Granted Patent
Utility
US 4,963,060 · App. 07/329,146
Cutting insert with chip control
Inventors:
Kenneth L. Niebauer, Thomas A. Lockard
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Mar 27, 1989
Inventors
Kenneth L. Niebauer
Thomas A. Lockard
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.