Granted Patent
Utility
US 5,679,957 · App. 08/583,163
Method and apparatus for monitoring mercury emissions
Inventors:
Michael D. Durham, Richard John Schlager, Andrew D. Sappey, Francis J. Sagan, Roger W. Marmaro, Kevin G. Wilson
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jan 4, 1996
Inventors
Michael D. Durham
Richard John Schlager
Andrew D. Sappey
Francis J. Sagan
Roger W. Marmaro
Kevin G. Wilson
Assignee (at issue)
ADA Technologies, 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.