US PATENT SUBCLASS 235 / 492
.~ Conductive

Current as of: June, 1999
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235 /   HD   REGISTERS

487  DF  RECORDS {8}
492.~ Conductive

DEFINITION

Classification: 235/492

Conductive:

(under subclass 487) Subject matter wherein the coded indicia on or within the record is formed from conductive materials or substances.