ALEXANDRIA, Va., July 3 -- United States Patent no. D1,081,431, issued on July 1, was assigned to Hangzhou Ezviz Software Co. Ltd. (Zhejiang, China).
"Door or window magnetic sensor" was invented by Chongkun Huang (Zhejiang, China) and Weike Zhu (Zhejiang, China).
The patent was filed on May 17, 2023, under Application No. D/892,416.
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