U.S. federal trademark · Serial No. 87080548 · Reg. No. 5150091
A one-way or bi-directional audio communication feature of an audio controller device that allows intercom communication between phones and smart phones located anywhere, and a non-phone audio device located in a specific area of a home or place of business
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.