Granted Patent
Utility
US 5,607,206 · App. 08/510,451
Cutting tool holder retention system
Inventors:
David R. Siddle, Ted R. Massa
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Aug 2, 1995
Inventors
David R. Siddle
Ted R. Massa
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.