Granted Patent
Utility
US 5,315,941 · App. 08/072,257
Method and apparatus for injecting nox inhibiting reagent into the flue gas of a boiler
Inventors:
Richard C. Vetterick, Donald C. Langley
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Jun 7, 1993
Inventors
Richard C. Vetterick
Donald C. Langley
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.