Granted Patent
Utility
US 6,387,194 · App. 09/788,742
Process and composition for chromizing 400-series stainless steels
Inventors:
Douglas D. Zeigler, James M. Tanzosh, George H. Harth, III, Walter R. Mohn
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Feb 20, 2001
Inventors
Douglas D. Zeigler
James M. Tanzosh
George H. Harth, III
Walter R. Mohn
Assignees (at issue)
McDermott Technology, Inc.
The Babock & Wilcox
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.