ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,977, issued on June 24.

"String light structure" was invented by Xiaoyan Hu (Yangjiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A string lamp structure is provided, which includes a light bulb component, a lamp holder, a wire, and a lamp cover. The lamp holder is provided with a positive electrode elastic sheet and a negative electrode elastic sheet, the light bulb component is moveably connected to the lamp holder and electrically connected to the positive electrode and negative electrode elastic sheets. The wire horizontally passes through the lamp holder and abuts against the positive electrode and negative electrode elastic sheets, ...