U.S. federal trademark · Serial No. 99444345
an audio system, namely, an inner ear audio channel for transmission of sound waves through a filter housing impervious to water being waterproof hearing aids; wearable earpiece, namely an earpiece for transmission of sound waves through a water impervious filter being waterproof hearing aids.
an audio system, namely, an inner ear audio channel for transmission of sound waves through a filter housing impervious to water being waterproof earplugs; wearable earpiece, namely an earpiece for transmission of sound waves through a water impervious filter being waterproof earplugs.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.