U.S. federal trademark · Serial No. 73507682 · Reg. No. 1473953
ELECTRICAL POWER CONVERTERS, USING POWER TRANSFORMERS TO CHANGE EITHER ALTERNATING CURRENT OR DIRECT CURRENT INTO A MORE USEFUL FORM OF DIRECT CURRENT POWER, FOR USE IN INDUSTRY; ELECTRONIC TEST, MEASUREMENT AND CONTROL EQUIPMENT, NAMELY, INTERFACE HARDWARE FOR USE WITH COMPUTERS, WHICH ALLOWS THE COMPUTER TO SENSE CERTAIN CONDITIONS AND THEN TO OPERATE EQUIPMENT TO CONTROL THE CONDITION
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