ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,162, issued on July 8, was assigned to Sonos Inc. (Santa Barbara, Calif.).

"Wearable audio device within a distributed audio playback system" was invented by Alexia Delhoume (Boston), Brian Roberts (Boston) and Elizabeth Dolman (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A media system comprises one or more non-wearable playback devices, a gateway device, and a wearable playback device. The one or more non-wearable playback devices are configured to receive media content and to play the media content in synchrony with one another. The gateway device is commutatively coupled with at least one of the non-wearable playback devices and is conf...