ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,099,664, issued on Oct. 28.
"Utility knife" was invented by Jianfu Du (Ningbo, China), Mingxiang Pan (Ningbo, China) and Yunbin Liao (Ningbo, China).
The patent was filed on March 8, 2024, under Application No. D/931,778.
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