ALEXANDRIA, Va., July 14 -- United States Patent no. D1,134,830, issued on July 14, was assigned to Thumbs Up Innovations Technology Co. Ltd. (Zhuhai, China).
"Tooth cleaning implement" was invented by Zhihui Yang (Zhuhai, China), Yiying Ji (Zhuhai, China), Jiacheng Huang (Zhuhai, China) and Lilin Xu (Zhuhai, China).
The patent was filed on Nov. 19, 2024, under Application No. D/973,873.
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