U.S. federal trademark · Serial No. 76220839 · Reg. No. 2698473
ELECTRICAL TRANSFORMERS FOR INCREASING AND REDUCING THE VOLTAGE OF AN ELECTRICAL POWER SUPPLY TO ALLOW A PARTICULAR PIECE OF ELECTRICAL EQUIPMENT TO BE USED; COMMUTATORS FOR ALTERING THE DIRECTION OF AN ELECTRIC CURRENT; VOLTAGE STABILIZER FOR DIMINISHING THE VARIATION OF VOLTAGE AND ELECTRIC CURRENT
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