US PATENT SUBCLASS 136 / 261
.~.~ Silicon or germanium containing

Current as of: June, 1999
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136 /   HD   BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC

243  DF  PHOTOELECTRIC {2}
252  DF  .~ Cells {12}
261.~.~ Silicon or germanium containing

DEFINITION

Classification: 136/261

Silicon or germanium containing:

(under subclass 252) Device in which an active layer includes silicon or a silicon or germanium compound.