ALEXANDRIA, Va., March 3 -- United States Patent no. D1,116,169, issued on March 3.

"Wake-up alarm light" was invented by Jiangang Dai (Ningbo, China), Weitao Dai (Ningbo, China), Lei Qian (Ningbo, China) and Danfeng Dai (Ningbo, China).

The patent was filed on Dec. 15, 2023, under Application No. D/921,203.

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