Granted Patent
Utility
US 6,413,409 · App. 09/763,008
Flow-through capacitor and method of treating liquids with it
Inventors:
Toshiro Otowa, Naoto Tanaka
Patented Case
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Granted: Jul 2, 2002
Filed: Feb 13, 2001
Inventors
Toshiro Otowa
Naoto Tanaka
Assignee (at issue)
BIOSOURCE, INCORPORATED
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.