ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,095,609, issued on Sept. 30, was assigned to Huizhou Waweis Technology Co. Ltd. (Huizhou, China).
"Sleep instrument" was invented by Lianfang Qiu (Huizhou, China).
The patent was filed on Dec. 28, 2022, under Application No. D/881,100.
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