ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,615, issued on May 19, was assigned to Sonos Inc. (Goleta, Calif.).

"Cable assemblies for headphone devices" was invented by Ronald W. Roberts Jr. (Melrose, Mass.), Mark Gerlovin (Brookline, Mass.) and Mark Viscusi (Wrentham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Headphone playback devices can include a cable assembly including a plurality of conductors extending between a first earpiece and a second earpiece. The cable assembly includes a jacket, a power conductor disposed within the jacket and coupled between a power source in the first earpiece and a wireless transceiver in the second earpiece. The cable assembly further includes a ...