ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,938, issued on July 28, was assigned to Shenzhen Aiper Intelligent Co. Ltd. (Shenzhen, China).
"Swimming pool cleaner" was invented by Rumiao Liu (Longhua, China) and Ruifeng Liu (Longhua, China).
The patent was filed on Sept. 23, 2025, under Application No. D/024,539.
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