ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,209, issued on Sept. 30, was assigned to Dongguan Shuiquanzi Industrial Co. Ltd. (Dongguan, China).
"Waterproof electronic candle" was invented by Huilin She (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproof electronic candle includes a housing assembly and a cover, the housing assembly includes a candle tube, the candle tube includes a first end and a second end arranged below the first end; the cover sleeved over the candle tube, an annular recess is defined in one of the candle tube and the cover at the first end, and an annular protrusion is arranged on the other one of the candle tube and the cover at the first end;...