ALEXANDRIA, Va., July 9 -- United States Patent no. D1,083,241, issued on July 8.

"Handcuff password chain lock" was invented by Yigen Yang (Wenzhou, China).

The patent was filed on Aug. 30, 2024, under Application No. D/960,510.

*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=D1083241&OS=D1083241&RS=D1083241

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