ALEXANDRIA, Va., July 3 -- United States Patent no. D1,081,722, issued on July 1, was assigned to Shenzhen HYTD Technology Co. Ltd (Shenzhen, China).
"Air pump" was invented by Qun Chen (Liling, China) and Hanjun Hu (Guangzhou, China).
The patent was filed on March 24, 2023, under Application No. D/873,110.
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