US Patent Issued to Hangzhou fan chang gui Network Technology on July 28 for "Sink" (Chinese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,572, issued on July 28, was assigned to Hangzhou fan chang gui Network Technology Co. Ltd. (Hangzhou, China).

"Sink" was invented by Xiaodong Guo (Hangzhou, China).

The patent was filed on April 16, 2025, under Application No. D/999,470.

*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=D1137572&OS=D1137572&RS=D1137572

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