Granted Patent
Utility
US 5,653,152 · App. 08/522,794
Toolholder for roughing and finishing a workpiece
Inventors:
Edward J. Oles, John J. Prizzi
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Sep 1, 1995
Inventors
Edward J. Oles
John J. Prizzi
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.