Granted Patent
Utility
US 6,607,651 · App. 09/766,662
Process and system for treating the discharge stream from an ion exchanger
Inventor:
Alfred H. Stiller
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jan 23, 2001
Inventor
Alfred H. Stiller
Assignee (at issue)
CWS Parts Company
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.