ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,143,867, issued on Aug. 25, was assigned to HANGZHOU GREAT STAR INDUSTRIAL Co. LTD. (Hangzhou, China).
"Utility knife" was invented by Yongwei Zhu (Hangzhou, China).
The patent was filed on May 23, 2025, under Application No. D/005,183.
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