U.S. federal trademark · Serial No. 74439932 · Reg. No. 1876319
audio modules consisting of amplifiers, preamplifiers, signal generators, power supplies and regulators, filters, switches, automatic levelers and limiters, oscillators and tone controls; audio transformers; impedence matching interfaces and telephone interfaces; audio mixers; audio and microphone splitters and combiners; signal processors; audio test equipment, namely audio generators, cable testers, noise and tone burst generators and sound level meters
metal boxes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.