U.S. federal trademark · Serial No. 73174159 · Reg. No. 1154640
Audio Detector and Alarm for Use in Hospitals, Libraries and Low-Noise Level Industrial Work Areas Having an Audio Detector and Discriminator for Providing an Audio and Visual Representation of a High Noise Level
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.