Granted Patent
Utility
US 6,059,373 · App. 08/930,495
Pick holder extraction
Inventors:
Noel G. Wright, Richard George Holtshausen
Patented Case
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Granted: May 9, 2000
Filed: Dec 15, 1997
Inventors
Noel G. Wright
Richard George Holtshausen
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.