U.S. federal trademark · Serial No. 74634159 · Reg. No. 2009480
signal processor for audio signal comprised of "graphic equalizer, signal delay, notch filter, low pass filter, high pass filter, all pass filter, low frequency booster, high frequency booster, attenuater, compressor/limiter, parametric equalizer, crossover filter, noise gate, horn equalizer and graphic display", and matrix unit for audio signals
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.