US Patent Issued to Sharrow Engineering on Aug. 4 for "Propeller with stepped hub" (Michigan Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,022, issued on Aug. 4, was assigned to Sharrow Engineering LLC (Shelby Township, Mich.).

"Propeller with stepped hub" was invented by Gregory C. Sharrow (Shelby Township, Mich.).

The patent was filed on Oct. 2, 2025, under Application No. D/026,435.

*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=D1139022&OS=D1139022&RS=D1139022

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