Granted Patent
Utility
US 4,904,501 · App. 07/056,503
Method for chromizing of boiler components
Inventor:
Thomas L. Davis
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: May 29, 1987
Inventor
Thomas L. Davis
Assignee (at issue)
The Babcock & Wilcox Company
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.