ALEXANDRIA, Va., March 17 -- United States Patent no. D1,118,857, issued on March 17.

"Staircase toilet" was invented by Qiao Lin (Taizhou, China).

The patent was filed on Sept. 3, 2024, under Application No. D/960,910.

*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=D1118857&OS=D1118857&RS=D1118857

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