ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,875, issued on Aug. 4, was assigned to Haixia Qu (Taizhou, China).

"Firecracker-shaped light string" was invented by Haixia Qu (Taizhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A firecracker-shaped light string is provided, which relates to a light string technology. A key point of a technical solution is that the firecracker-shaped light string includes a controller for receiving an electric power signal from a power plug and controlling a working state of the firecracker-shaped light string, the power plug connected to the controller, and a triple-wire sheathed light string and three main light strings that are electrically connected t...