US Patent Issued to Dongguan YiFeng Lock on Oct. 6 for "Combination lock" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. D1,151,157, issued on Oct. 6, was assigned to Dongguan YiFeng Lock Co. Ltd. (Dongguan, China).

"Combination lock" was invented by Xiuxing Lai (Dongguan, China).

The patent was filed on Aug. 22, 2025, under Application No. D/019,523.

*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=D1151157&OS=D1151157&RS=D1151157

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