US Patent Issued to GUANGZHOU KERUI INNOVATION TECH. on Sept. 15 for "Trailer coupler lock" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. D1,147,888, issued on Sept. 15, was assigned to GUANGZHOU KERUI INNOVATION TECH. Co. Ltd. (Guangzhou, China).

"Trailer coupler lock" was invented by Zhanyan Du (Guangzhou, China).

The patent was filed on Sept. 15, 2025, under Application No. D/023,239.

*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=D1147888&OS=D1147888&RS=D1147888

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