ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,372, issued on July 1, was assigned to Sonos Inc. (Goleta, Calif.).

"Playback queue collaboration and notification" was invented by Arthur L. Coburn IV (Lexington, Mass.), Abhishek Kumar (Hayward, Calif.) and Andrew J. Schulert (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments are provided for updating a playlist that has been added to a playback queue in response to changes to the playback queue. The playback queue may be associated with a zone of a network media system such that items in the playback queue are to be rendered by the zone. The playlist may include one or more items playable by the zone, and may be stored se...