Granted Patent
Utility
US 6,503,470 · App. 09/464,806
Use of sulfide-containing liquors for removing mercury from flue gases
Inventors:
Paul S. Nolan, William Downs, Ralph T. Bailey, Stanley J. Vecci
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 17, 1999
Inventors
Paul S. Nolan
William Downs
Ralph T. Bailey
Stanley J. Vecci
Assignees (at issue)
The Babcock & Wilcox Company
McDermott Technology, 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.