ALEXANDRIA, Va., July 9 -- United States Patent no. D1,083,257, issued on July 8.
"Cleaning robot" was invented by Hua Wang (Taizhou, China), Zhongchu Feng (Taizhou, China) and Liye Zhou (Taizhou, China).
The patent was filed on Feb. 22, 2023, under Application No. D/885,239.
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