US PATENT SUBCLASS 250 / 553
.~.~ Array or matrix

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
552  DF  .~ Solid state light source {1}
553.~.~ Array or matrix

DEFINITION

Classification: 250/553

(under subclass 552) Subject matter having a plurality of solid state light sources arranged in a particular group, order or formation.