ALEXANDRIA, Va., Sept. 10 -- United States Patent no. D1,092,269, issued on Sept. 9, was assigned to SHENZHEN HEIMAN TECHNOLOGY Co. LTD. (Shenzhen, China).
"Smoke alarm" was invented by Jian Bo Xie (Shenzhen, China).
The patent was filed on April 15, 2024, under Application No. D/937,392.
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