ALEXANDRIA, Va., June 6 -- United States Patent no. D1,072,168, issued on April 22, was assigned to QINGDAO ECOPURE FILTER Co. LTD. (Qingdao, China).
"Water purifying machine" was invented by Zhibin Zou (Qingdao, China).
The patent was filed on March 1, 2023, under Application No. D/885,849.
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