ALEXANDRIA, Va., Feb. 19 -- United States Patent no. D1,062,794, issued on Feb. 18, was assigned to FUJIAN AIDI ELECTRIC Co. LTD. (Longyan, China).
"Five-chamber variable speed diaphragm pump" was invented by Xi Zhen Lin (Xiamen, China).
The patent was filed on Aug. 1, 2022, under Application No. D/848,222.
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