Granted Patent
Utility
US 6,723,218 · App. 10/092,976
System for the electrodialytic regeneration of an electroless bath electrolyte
Inventors:
John Stuart Hadley, Peter Verhoeven
Patented Case
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Granted: Apr 20, 2004
Filed: Mar 7, 2002
Inventors
John Stuart Hadley
Peter Verhoeven
Assignee (at issue)
Enthone GmbH
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.