U.S. federal trademark · Serial No. 86866452
Electric doorbells; electric doorbells comprising a sensor for activating an electric door chime; electric doorbells comprising an optical sensor; electric doorbells comprising an optical sensor specially adapted for detecting daylight; electric doorbells specially adapted for housing a light emitting diode
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.