U.S. federal trademark · Serial No. 87073698 · Reg. No. 5376157
Amplified headphones; passive stereo headphones
Foam ear plugs and silicone ear plugs for noise reduction; hearing aids with noise reduction; hearing protectors without the ability to reproduce or transmit sound
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.