ALEXANDRIA, Va., Dec. 9 -- United States Patent no. D1,104,693, issued on Dec. 9, was assigned to Darex LLC (Ashland, Ore.).
"Tool sharpener" was invented by Conner S. Macfarlane (Ashland, Ore.), Joey T. Zachariasen (Ashland, Ore.) and Daniel Riegels (Ashland, Ore.).
The patent was filed on Dec. 7, 2023, under Application No. D/919,976.
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