Granted Patent
Utility
US 6,613,133 · App. 09/969,333
Single spray level for flue gas desulfurization system with internal main feed headers
Inventors:
Edward J. Piaskowski, Norman D. Nelson
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Oct 1, 2001
Inventors
Edward J. Piaskowski
Norman D. Nelson
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.