ALEXANDRIA, Va., Jan. 28 -- United States Patent no. D1,110,121, issued on Jan. 27, was assigned to SHENZHEN YANZHEN TECHNOLOGY Co. LTD (Shenzhen, China).
"Knife" was invented by Daofang Dong (Shenzhen, China).
The patent was filed on April 12, 2024, under Application No. D/937,254.
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