ALEXANDRIA, Va., Sept. 23 -- United States Patent no. D1,094,898, issued on Sept. 23.

"Hard hat" was invented by Wei Shi (Quanzhou, China).

The patent was filed on May 30, 2023, under Application No. D/893,380.

*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=D1094898&OS=D1094898&RS=D1094898

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