US PATENT SUBCLASS 204 / 228.9
.~.~.~ Having auxiliary electrode

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
228.1  DF  .~.~ With current, voltage, or power control means responsive to sensed condition {8}
228.9.~.~.~ Having auxiliary electrode {1}
229.1  DF  .~.~.~.~> Reference electrode as or with auxiliary electrode

DEFINITION

Classification: 204/228.9

Having auxiliary electrode:

(under subclass 228.1) Apparatus having another electrode in addition to at least one working electrode and at least one counter electrode.