U.S. federal trademark · Serial No. 79451966
Transformer; current rectifiers; power station automation control devices; high-voltage explosion-proof power distribution device; low voltage rectifiers and transformers; low voltage power supply; power distribution boxes; inverter (electric); choking coils [impedance]; battery chargers with automatic cut-off feature.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.