3.1HD
Mark Identification

3.1HD

Serial Number

77745458

Filing Date

May 27, 2009

Trademark by

DAVID V. DAY

Classification Information

Audio amplifiers; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio mixers; Audio processing equipment, namely, limiters and compressors; Audio-video receivers; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, home theater systems, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Digital media hubs; Digital media receivers; Digital media streaming devices; Digital signal processors; Electronic products for the generation, measurement, and analysis of audio signals, namely, audio analyzers; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors

Electrical and Scientific Apparatus