Granted Patent
Utility
US 5,944,462 · App. 09/065,395
Hole cutting tool for chamfering and grooving
Inventor:
Bruce Woodward
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Apr 23, 1998
Inventor
Bruce Woodward
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.