US Patent Issued to SHENZHEN LONGQUANSHAN ART TECHNOLOGY on Sept. 8 for "Cleaning tool" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,147,634, issued on Sept. 8, was assigned to SHENZHEN LONGQUANSHAN ART TECHNOLOGY Co. LTD. (Shenzhen, China).

"Cleaning tool" was invented by Ye Feng (Shenzhen, China).

The patent was filed on Dec. 17, 2025, under Application No. D/038,297.

*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=D1147634&OS=D1147634&RS=D1147634

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