Granted Patent
Utility
US 5,624,649 · App. 08/430,940
Process for reduction of sulfur dioxide emission from combustion gases combined with production of potassium sulfate
Inventor:
Eli Gal
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Apr 26, 1995
Inventor
Eli Gal
Assignee (at issue)
General Electric 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.