Granted Patent
Utility
US 5,199,263 · App. 07/744,061
Combustion system with reduced sulfur oxide emissions
Inventors:
Terence W. Green, Melanie K. Lange
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Aug 12, 1991
Inventors
Terence W. Green
Melanie K. Lange
Assignee (at issue)
Texas Utilities Electric Co.
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.