ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,940, issued on April 14, was assigned to Sonos Inc. (Goleta, Calif.).

"Service provider user accounts" was invented by Abhishek Kumar (Santa Barbara, Calif.), Ron Kuper (Arlington, Mass.), Jason Kendall (Pawtucket, R.I.) and Emilio Arce (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Examples described herein involve switching between two user accounts of a streaming media service. In an example implementation, a playback device stores data representing credentials for multiple user accounts including a first user account of a first streaming audio service and a second user account of the first streaming audio service. The playback...