88676843
Nov 1, 2019
Apr 20, 2021
Active Trademark
Magnetic ferrite cores for use in electrical apparatus; Magnetic cores; Electromagnetic coils; Choking coils for use in electrical apparatus; Choking coils impedance for use in electrical apparatus; Piezoelectric buzzers; Electric buzzers; Piezoelectric audio speakers; Piezoelectric echo sounders; Piezoelectric elements, namely, piezoelectric actuators, piezoelectric sensors and piezoelectric switches; Piezoelectric diaphragms being structural components of piezoelectric audio speakers; Diaphragms using piezoelectric effect being structural components of piezoelectric audio speakers; Piezoelectric oscillators; Piezoelectric actuators; Electrical inductors; Transformers; Current transformers; Pulse transformers; Power distribution or control machines and apparatus, namely, power distributing boxes, electric switches, electric transformers, power controller, electric plugboards, circuit breakers, and electric relays; Rotary converters; Phase modifiers, namely, phase shifters for electrical power supplies and electrical power distribution units; Resistance wires; Electrodes; Batteries; Electric cables and wires; Downloadable electronic publications, namely, books, periodicals, magazines, newsletters, and articles in the field of electronics
Electrical and Scientific Apparatus