Granted Patent
Utility
US 6,790,420 · App. 10/072,341
Control of mercury and other elemental metal emissions from combustion devices by oxidation
Inventors:
Bernard P. Breen, James E. Gabrielson
Patented Case
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Granted: Sep 14, 2004
Filed: Feb 7, 2002
Inventors
Bernard P. Breen
James E. Gabrielson
Assignee (at issue)
BREEN ENERGY SOLUTIONS
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.