ALEXANDRIA, Va., Feb. 5 -- United States Patent no. D1,059,996, issued on Feb. 4, was assigned to Shayu ZhiDuan (Shenzhen) Technology Co. Ltd. (Shenzhen, China).
"Door lock" was invented by Chunmeng Han (Shenzhen, China) and Ji Zhuang Zhi (Shenzhen, China).
The patent was filed on Feb. 24, 2023, under Application No. D/871,636.
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