ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,746, issued on Sept. 1, was assigned to Sonos Inc. (Goleta, Calif.).

"Playback devices having enhanced outer portions" was invented by Louis Lundell (Santa Barbara, Calif.), Jonathan Oswaks (Thousand Oaks, Calif.) and Linduo Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A playback device including a housing having a first end portion, a second end portion and an intermediate portion therebetween. The playback device can further include an audio transducer at least partially disposed in the intermediate portion and a grille assembly surrounding the intermediate portion between the first and second end portions. The grille assembly can ...