About 1 Trademarks found that are owned by Huang Yongnan

Audio amplifiers; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equalizer apparatus; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio mixers; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Home theater systems comprising audio amplifiers; Musical instrument amplifiers