Granted Patent
Utility
US 6,740,291 · App. 10/146,343
Ni-Cr-Mo alloys resistant to wet process phosphoric acid and chloride-induced localized attack
Inventor:
Paul Anthony Crook
Patented Case
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Granted: May 25, 2004
Filed: May 15, 2002
Inventor
Paul Anthony Crook
Assignee (at issue)
Haynes 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.