Granted Patent
Utility
US 5,866,011 · App. 08/846,701
Method of controlling scale formation in brine concentration and evaporation system
Inventor:
Gregory J. McGiffney
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Apr 30, 1997
Inventor
Gregory J. McGiffney
Assignee (at issue)
Betzdearborn, 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.