Granted Patent
Utility
US 6,579,388 · App. 09/894,353
Aging treatment for Ni-Cr-Mo alloys
Inventors:
Lee Pike, Dwaine L. Klarstrom
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jun 28, 2001
Inventors
Lee Pike
Dwaine L. Klarstrom
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.