US Patent Issued to KABO Tool on Sept. 8 for "Wrench shaft structure" (Taiwanese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,146,536, issued on Sept. 8, was assigned to KABO Tool Co. (Taichung City, Taiwan).

"Wrench shaft structure" was invented by Chih-Ching Hsieh (Taichung City, Taiwan).

The patent was filed on May 23, 2025, under Application No. D/005,179.

*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=D1146536&OS=D1146536&RS=D1146536

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