U.S. federal trademark · Serial No. 77351269 · Reg. No. 3775260
systems and devices for monitoring and responding to security systems, namely, smoke and carbon monoxide alarms, activated in response to existing smoke and carbon monoxide alarms, emitting a specially developed sound for the hearing impaired, intoxicated, heavy sleepers, and young children
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.