ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,446, issued on Dec. 30, was assigned to E-filliate Inc. (Rancho Cordova, Calif.).
"Earbuds with turn wheel control" was invented by Wesley K. Sumida (Fair Oaks, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A body supports a speaker and an ear cushion adjacent a proximal portion thereof. The ear cushion is sized to fit within an ear canal of a user for holding of the earbud in position and directing sound from the speaker into the ear of the user. A distal end of the body supports a turn wheel in a rotational fashion relative to the body. The turn wheel has frictional resistance to rotation relative to the body which is less than friction fo...