ALEXANDRIA, Va., Nov. 6 -- United States Patent no. D1,100,622, issued on Nov. 4, was assigned to ZKTECO Co. LTD. (Dongguan, China).
"Intelligent lock set" was invented by Shuangtai Ma (Shenzhen, China).
The patent was filed on Sept. 17, 2021, under Application No. D/808,295.
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