ALEXANDRIA, Va., July 21 -- United States Patent no. D1,135,403, issued on July 21, was assigned to Wenzhou Yunshang Biological Technology Co. Ltd. (Wenzhou, China).
"Combined bead toothbrush and floss" was invented by Yun Zhang (Wenzhou, China).
The patent was filed on April 24, 2024, under Application No. D/938,946.
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