U.S. federal trademark · Serial No. 77533459
Telephones; cordless and cellular telephones; electronic apparatus in the nature of audio talking signs for blind and visually impaired persons; electronic audio guidance devices for blind and visually impaired persons; electronic audio alerting devices for blind and visually impaired persons and for deaf and hearing impaired persons; security alarm devices for blind and visually impaired persons and for deaf and hearing impaired persons; and public address devices for blind and visually impaired persons and for deaf and hearing impaired persons
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.