ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,140,964, issued on Aug. 11, was assigned to Jiangsu Guorun Electric Co. Ltd. (Huaian, China).
"Air pump" was invented by Houxi Rao (Huaian, China).
The patent was filed on April 14, 2025, under Application No. D/998,545.
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