ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,728, issued on July 28.

"Massage hammer" was invented by Chuyun Wu (Dongguan, China).

The patent was filed on July 15, 2025, under Application No. D/013,247.

*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=D1137728&OS=D1137728&RS=D1137728

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