U.S. federal trademark · Serial No. 50052034
TAP CHANGERS, NAMELY, OFF-CIRCUIT AND ON-LOAD TAP CHANGERS FOR ELECTRIC TRANSFORMERS AND ELECTRIC COILS; ELECTRIC SWITCHGEAR FOR ELECTRIC POWER SYSTEMS; Electric current switches; Electrical distribution boxes; Distribution boxes for electrical power; Commutators; Rectifiers; Electrical power distribution blocks; SWITCHING DEVICES, NAMELY, AUTOMATIC SWITCHING APPARATUS; OFF-CIRCUIT AND ON-LOAD TAP CHANGERS FOR ELECTRIC TRANSFORMERS; DE-ENERGIZED TAP CHANGERS FOR ELECTRIC TRANSFORMERS
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