ALEXANDRIA, Va., June 18 -- United States Patent no. D1,079,169, issued on June 10, was assigned to HONG ANN TOOL INDUSTRIES Co. LTD. (Taichung, Taiwan).
"Scraper head" was invented by Cheng-Wei Su (Taichung, Taiwan).
The patent was filed on Nov. 29, 2022, under Application No. D/861,307.
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