Granted Patent
Utility
US 5,628,549 · App. 08/573,220
Cutting tool sleeve rotation limitation system
Inventors:
Cary D. Ritchey, Robert H. Montgomery, Jr.
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Dec 13, 1995
Inventors
Cary D. Ritchey
Robert H. Montgomery, Jr.
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.