ALEXANDRIA, Va., Oct. 6 -- United States Patent no. D1,151,807, issued on Oct. 6.

"Pen" was invented by Meng Shi (Zhumadian, China).

The patent was filed on Oct. 17, 2025, under Application No. D/028,493.

*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=D1151807&OS=D1151807&RS=D1151807

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