ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,997, issued on Oct. 20, was assigned to ZHUHAI COSMX BATTERY Co. LTD. (Zhuhai, China).

"Button cell and electronic device" was invented by Ning Peng (Zhuhai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A button cell and an electronic device relate to the technical field of batteries. The button cell includes a housing (10) and a cover assembly (20); the housing includes a bottom wall (11) and an annular side wall (12); the cover assembly includes a top cover (21) having a through hole at its central area and a conductive member (22) covering the through hole; an outer edge of the top cover (21) is welded with a top of the side wall (12) to ...