US PATENT SUBCLASS 700 / 244
.~.~.~ Monitoring or inspection

Current as of: June, 1999
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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

90  DD  SPECIFIC APPLICATION, APPARATUS OR PROCESS {16}
213  DD  .~ Article handling {5}
231  DD  .~.~ Dispensing or vending {6}
244.~.~.~ Monitoring or inspection