ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,099,814, issued on Oct. 28, 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 May 6, 2025, under Application No. D/002,450.
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