ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,743, issued on Sept. 29, was assigned to SHENZHEN HUA XIN INFORMATION TECHNOLOGY Co. LTD. (Shenzhen, China).
"Cleaning device" was invented by Bin Chen (Shenzhen, China) and Meihua Huang (Shenzhen, China).
The patent was filed on May 22, 2024, under Application No. D/943,442.
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