About 2 Trademarks found that are owned by MarIussoft LLC

Audio amplifiers; Audio analyzers; Audio circuit boards; Voltmeters; Downloadable software in the nature of a mobile application for controlling audio devices in the nature of amplifiers, analyzers, voltmeters, ammeters, powermeters, and processors; Electronic products for the manipulation of the frequency, time, and amplitude characteristics of audio signals, namely, audio processors; Signal processors for audio speakers

Voltmeters