ALEXANDRIA, Va., June 6 -- United States Patent no. D1,071,570, issued on April 22, was assigned to Guangdong Yingxin Technology Co. Ltd. (Guangdong, China).
"Electric toothbrush" was invented by Mingyuan Li (Guangdong, China).
The patent was filed on Dec. 11, 2024, under Application No. D/977,945.
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