Granted Patent
Utility
US 6,152,657 · App. 08/859,742
Center cutting end mill
Inventors:
Scott M. Packer, Arturo A. Rodriguez, Ronald B. Crockett
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: May 21, 1997
Inventors
Scott M. Packer
Arturo A. Rodriguez
Ronald B. Crockett
Assignee (at issue)
SMITH INTERNATIONAL, 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.