Granted Patent
Utility
US 5,879,823 · App. 08/570,852
Coated cutting tool
Inventors:
John J. Prizzi, Prem C. Jindal, William A. Bryant, Bernard North
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Dec 12, 1995
Inventors
John J. Prizzi
Prem C. Jindal
William A. Bryant
Bernard North
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.