Granted Patent
Utility
US 4,543,121 · App. 06/588,780
Method of reducing hydrocarbon emissions occurring during iron ore sintering operations
Inventors:
Ralph F. Weidner, Carl W. Regutti, Chien-Wei Liao
Patented Case
View Patent ↗
Granted: Sep 24, 1985
Filed: Mar 12, 1984
Inventors
Ralph F. Weidner
Carl W. Regutti
Chien-Wei Liao
Assignee (at issue)
The Mogul Corporation
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.