Granted Patent
Utility
US 6,090,357 · App. 09/303,834
Flue gas scrubbing method
Inventors:
Michael T. Hammer, Michael L. Mengel
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: May 3, 1999
Inventors
Michael T. Hammer
Michael L. Mengel
Assignee (at issue)
Marsulex Environmental Technologies 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.