ALEXANDRIA, Va., March 17 -- United States Patent no. D1,119,134, issued on March 17, was assigned to Qinger Shen (Zhangshu, China).
"Cleaning brush" was invented by Qinger Shen (Zhangshu, China) and Cong Zhang (Luohe, China).
The patent was filed on Oct. 29, 2024, under Application No. D/970,544.
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