U.S. federal trademark · Serial No. 73313351 · Reg. No. 1192742
Audio Filter Systems-Namely, Equalizers; Audio Amplifiers; Audio Filters; Audio Preamps; Audio Switchers; and Audio Test Equipment-Namely, Voltage Meters, Loads, and Intermodulation Distortion Analyzers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.