Granted Patent
Utility
US 6,835,295 · App. 10/009,710
Electrowinning cell incorporating metal ion filtration apparatus
Inventor:
Juzer Jangbarwala
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Nov 28, 2001
Inventor
Juzer Jangbarwala
Assignee (at issue)
Hydromatix, 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.