ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,281, issued on Sept. 2, was assigned to SIMPLE LEARNING LLC (Columbus, Ind.).

"Bone-conductive sound therapy device and method" was invented by Tina S. Kramer (Columbus, Ind.), Kenneth L. Kramer (Columbus, Ind.) and Thomas Walker (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable sound therapy device includes a housing, and a loop cord coupled to the housing for supporting the sound therapy device pendant from the neck of a user upon a torso of the user. Audio electronics are resident in the housing and include a bone-conduction transducer, an audio file storage medium storing an audio file, a power supply, and a transducer c...