US Patent Issued to Tianjin Yuanzhi Environmental Technology on Aug. 4 for "Refrigerator filter" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,807, issued on Aug. 4, was assigned to Tianjin Yuanzhi Environmental Technology Co. Ltd. (Tianjin, China).

"Refrigerator filter" was invented by Lin Lou (Tianjin, China), Kai Zhang (Tianjin, China), Xin Guan (Tianjin, China) and Jingguan Du (Tianjin, China).

The patent was filed on April 12, 2024, under Application No. D/936,040.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1139807&OS=D1139807&RS=D1139807

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