ALEXANDRIA, Va., Aug. 20 -- United States Patent no. D1,089,859, issued on Aug. 19, was assigned to Shenzhen Equnchuang Technology Co. LTD (Shenzhen, China).
"Shooting earmuff" was invented by Biao Lu (Shenzhen, China).
The patent was filed on Feb. 2, 2024, under Application No. D/927,203.
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