Granted Patent
Utility
US 5,593,298 · App. 08/419,366
Pollutant reducing modification of a tangentially fired furnace
Inventors:
John F. Hurley, Edward O. Hartel
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 10, 1995
Inventors
John F. Hurley
Edward O. Hartel
Assignee (at issue)
Combustion Components Associates, 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.