ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,748, issued on Sept. 1, was assigned to Xiamen Longstar Lighting Co. Ltd. (Xiamen, China).
"LED waterproof light string" was invented by Xilong Li (Xiamen, China), Xinling Huang (Xiamen, China), Jinbo Liu (Xiamen, China) and Zhihui Lai (Xiamen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An LED waterproof light string includes a plurality of light-emitting subunits connected in series. Each of the plurality of light-emitting subunits includes a housing, an input wire assembly, an output wire assembly, and two light source boards. The input wire assembly and the housing are integrally formed by an injection molding process. A sealing ring is...