US Patent Issued to MSA Europe on Oct. 20 for "Protective helmet" (Swiss Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,155,073, issued on Oct. 20, was assigned to MSA Europe GmbH (Jona, Switzerland).

"Protective helmet" was invented by Frederic Dias (Jona, Switzerland), Karl Jones (Jona, Switzerland) and Victor Lejeune (Jona, Switzerland).

The patent was filed on Dec. 30, 2025, under Application No. D/040,323.

*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=D1155073&OS=D1155073&RS=D1155073

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