U.S. federal trademark · Serial No. 87092430
Passive, non-electric acoustic attenuation device made principally of closed cell foam specially designed for use with a certain range of microphones to improve the ability of an audio engineer to isolate and attenuate acoustic energy in applications from acoustically isolated studio environments to live individual and ensemble applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.