ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,097,583, issued on Oct. 14, was assigned to SHENZHEN LANHE TECHNOLOGIES Co. LTD. (Shenzhen, China).
"Electric toothbrush" was invented by Fashuo Guan (Shenzhen, China) and Zhuoluo Ren (Shenzhen, China).
The patent was filed on Dec. 28, 2023, under Application No. D/923,123.
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