About 1 Trademarks found that are owned by Chen Guangzhan

Acoustic baffles sold as a component of loudspeakers; Audio interfaces; Binaural microphones; Electric audio playback units with lights and speakers; Loudspeakers, headphones, microphones and CD players; Microphone boom pole; Microphone stands; Protective cases for audio equipment in the nature of speakers; Public address (PA) and sound system accessories, namely, microphone stands, speaker stands, microphone cables, speaker cables, speaker boxes and sound mixers; Speaker microphones