Granted Patent
Utility
US 5,943,865 · App. 09/204,965
Reheating flue gas for selective catalytic systems
Inventor:
Mitchell B. Cohen
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Dec 3, 1998
Inventor
Mitchell B. Cohen
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.