ALEXANDRIA, Va., March 26 -- United States Patent no. D1,067,642, issued on March 25, was assigned to Guangdong Yingxin Technology Co. Ltd. (Guangdong, China).
"Toothbrush head" was invented by Xiaohong Wu (Guangdong, China).
The patent was filed on Dec. 2, 2024, under Application No. D/975,746.
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