Granted Patent
Utility
US 6,328,939 · App. 09/282,816
Mercury removal in utility wet scrubber using a chelating agent
Inventor:
Gerald T. Amrhein
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Mar 31, 1999
Inventor
Gerald T. Amrhein
Assignee (at issue)
McDermott Technology, 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.