U.S. federal trademark · Serial No. 72392658 · Reg. No. 877217
SYNCHROSCOPES, MEMORISCOPES, CURVE TRACERS AND DIGITAL METERS
ELECTRIC AND ELECTRONIC DEVICES-NAMELY, TELEPHONES [ , PAGING SYSTEMS AND EQUIPMENT FOR AUTOMATICALLY ANSWERING TELEPHONES IN THE ABSENCE OF A HUMAN INTERVENTION AND TO RECEIVE, RECORD AND PLAY BACK MESSAGES SO RECEIVED AND/OR TO TRANSMIT MESSAGES OVER THE TELEPHONE ]
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