ALEXANDRIA, Va., March 3 -- United States Patent no. D1,116,111, issued on March 3, was assigned to Shenzhen Rongzhou Products Co. Ltd. (Shenzhen, China).

"Tooth cleaner" was invented by Yanling Deng (Yulin, China).

The patent was filed on Nov. 19, 2024, under Application No. D/973,993.

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