Granted Patent
Utility
US 5,632,941 · App. 08/425,163
Group IVB boride based articles, articles, cutting tools, methods of making, and method of machining group IVB based materials
Inventors:
Pankaj K. Mehrotra, Deepak P. Ahuja, Holly S. Brooks
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Apr 20, 1995
Inventors
Pankaj K. Mehrotra
Deepak P. Ahuja
Holly S. Brooks
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.