ALEXANDRIA, Va., June 4 -- United States Patent no. D1,077,601, issued on June 3, was assigned to FINE FORGE INDUSTRY Corp. (Nantou County, Taiwan).
"Ratchet ring" was invented by Kuo-Lung Chen (Nantou County, Taiwan).
The patent was filed on Oct. 26, 2021, under Application No. D/813,014.
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