ALEXANDRIA, Va., March 19 -- United States Patent no. D1,067,273, issued on March 18, was assigned to Zhongshan Yuanlai Youyu E-Commerce Co. Ltd. (Zhongshan, China).
"Fish pond filter" was invented by Ping Ouyang (Guangzhou, China).
The patent was filed on July 29, 2022, under Application No. D/848,019.
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