US Patent Issued to Louis M. Gerson on Oct. 27 for "Exhalation valve for a mask" (Massachusetts Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. D1,155,794, issued on Oct. 27, was assigned to Louis M. Gerson Co. Inc. (Middleboro, Mass.).

"Exhalation valve for a mask" was invented by Rahilkhan Pathan (South Easton, Mass.).

The patent was filed on Sept. 27, 2024, under Application No. D/965,551.

*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=D1155794&OS=D1155794&RS=D1155794

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