Granted Patent
Utility
US 5,538,367 · App. 08/141,310
Metal cutting tool assembly having an automatically adjustable chipbreaker
Inventors:
John P. Ashley, Kenneth L. Niebauer
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Oct 22, 1993
Inventors
John P. Ashley
Kenneth L. Niebauer
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.