U.S. federal trademark · Serial No. 78209033
Electronic circuits used in radio-frequency devices; Electronic circuits designed to enhance the performance of radio-frequency devices and products by eliminating interference and adding clarity to the transmission of information, voice and data in communication systems and antennas, such as are used in cellular mobile base station and other types antennas for receiving and transmitting information; Electronic circuits used to filter out undesired signals and undesired radio frequencies, such as harmonic frequencies, from the desired frequency or frequencies in which a communication system is designed to operate
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