About 2 Trademarks found that are owned by Mechanical Research Corporation

Electrical apparatus for the transmission, amplification and reproduction of sound, namely amplifiers, preamplifiers, CD players, CD changers, electromechanical controllers, receivers, electrical power supplies and heat dissipaters, electrical control circuitry, electrical signal routing boards and signal control boards, electrical signal and electrical power conduits, electrical multiplexers, and electrical transformers

The mark includes the word "NIROSON" in stylized black and white letters surrounded by a red swirl.