Granted Patent
Utility
US 6,050,752 · App. 09/273,133
Cutting insert
Inventor:
Kenneth G. DeRoche
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Mar 19, 1999
Inventor
Kenneth G. DeRoche
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.