Granted Patent
Utility
US 5,294,409 · App. 07/994,961
Regenerative system for the simultaneous removal of particulates and the oxides of sulfur and nitrogen from a gas stream
Inventors:
Mitchell R. Cohen, Eli Gal
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Dec 22, 1992
Inventors
Mitchell R. Cohen
Eli Gal
Assignee (at issue)
General Electric Environmental Services, 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.