Granted Patent
Utility
US 5,350,258 · App. 07/897,226
Ceramic cutting tool with chip control
Inventors:
Craig W. Beeghly, Deepak P. Ahuja, Pankaj K. Mehrotra, Kenneth L. Niebauer
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Jun 11, 1992
Inventors
Craig W. Beeghly
Deepak P. Ahuja
Pankaj K. Mehrotra
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.