Granted Patent
Utility
US 5,188,489 · App. 07/708,422
Coated cutting insert
Inventors:
Anakkavur T. Santhanam, Rajendra V. Godse
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: May 31, 1991
Inventors
Anakkavur T. Santhanam
Rajendra V. Godse
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.