Granted Patent
Utility
US 5,593,563 · App. 08/638,040
Electrodeionization process for purifying a liquid
Inventors:
Jeffrey P. Denoncourt, Jacques Moulin
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 26, 1996
Inventors
Jeffrey P. Denoncourt
Jacques Moulin
Assignee (at issue)
Millipore 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.