ALEXANDRIA, Va., Sept. 23 -- United States Patent no. D1,094,813, issued on Sept. 23.

"Fill light" was invented by Shuangyin Chu (Guangzhou, China), Biao Chu (Guangzhou, China), Jingxin Chu (Guangzhou, China), Yuhan Chu (Guangzhou, China) and Yufei Chu (Guangzhou, China).

The patent was filed on Oct. 10, 2022, under Application No. D/855,998.

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