ALEXANDRIA, Va., March 26 -- United States Patent no. D1,067,947, issued on March 25, was assigned to Dongguan Hang Che Bao Future Technology Co. Ltd. (Dongguan, China).
"Paddle pump" was invented by Guofa Zeng (Loudi, China).
The patent was filed on July 23, 2024, under Application No. D/953,589.
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