US PATENT SUBCLASS 362 / 212
.~ With electrical switching means

Current as of: June, 1999
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362 /   HD   ILLUMINATION

211  DF  MULTIPLE FILAMENT LIGHT UNIT {4}
212.~ With electrical switching means

DEFINITION

Classification: 362/212

(under subclass 211) Subject matter provided with means to actuate the various filaments, either singularly or simultaneously.