ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,401, issued on June 23, was assigned to CHONGQING QIULONG TECHNOLOGY Co. LTD. (Chongqing, China).

"Electric plug" was invented by Bing Li (Chongqing, China), Bangjin Cao (Chongqing, China), Tao Liu (Chongqing, China), Changjun Chen (Chongqing, China) and Ke Ma (Chongqing, China).

The patent was filed on April 23, 2025, under Application No. D/000,578.

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