US Patent Issued to TECHFACE Intelligent Technology (Shenzhen) on Oct. 20 for "Door lock" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,295, issued on Oct. 20, was assigned to TECHFACE Intelligent Technology (Shenzhen) Co. Ltd. (Shenzhen, China).

"Door lock" was invented by Xiufeng Li (Shenzhen, China) and Xue Chen (Shenzhen, China).

The patent was filed on July 13, 2025, under Application No. D/012,816.

*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=D1154295&OS=D1154295&RS=D1154295

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