ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,934, issued on July 28, was assigned to SHENZHEN PUDU TECHNOLOGY Co. LTD. (Shenzhen, China).
"Cleaning robot" was invented by Zhiwei Qin (Shenzhen, China) and Simin Huang (Shenzhen, China).
The patent was filed on Nov. 22, 2024, under Application No. D/974,416.
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