U.S. federal trademark · Serial No. 78762052 · Reg. No. 3906822
wired adapted telephone headset units for improving acoustic clarity and speech intelligibility for assisting persons with sensory or cognitive impairments and to preserve hearing levels, the foregoing units not including airband VHF transceivers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.