U.S. federal trademark · Serial No. 86572677 · Reg. No. 4989749
mono and stereo passive direct boxes, rack-mounted passive direct boxes, stereo to mono merging passive direct boxes, line-level isolators, microphone splitters, rack-mounted microphone splitters, transformers, electrical transformers and rack-mounted audio signal auto switchers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.