US Patent Issued to Yunliu Liu on Oct. 20 for "Door stopper" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,328, issued on Oct. 20, was assigned to Yunliu Liu (Changsha, China).

"Door stopper" was invented by Yunliu Liu (Changsha, China).

The patent was filed on Aug. 19, 2025, under Application No. D/018,738.

*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=D1154328&OS=D1154328&RS=D1154328

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