US PATENT SUBCLASS 136 / 207
.~.~ Including an electric heater

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

200  DF  THERMOELECTRIC {15}
205  DF  .~ Electric power generator {5}
207.~.~ Including an electric heater

DEFINITION

Classification: 136/207

(under subclass 205) Apparatus which includes an electrical heat source for the thermogenerator.