ALEXANDRIA, Va., July 21 -- United States Patent no. D1,135,687, issued on July 21, was assigned to Zhuhai Murui Technology Co. Ltd. (Zhuhai, China).
"Button for wireless doorbell" was invented by Junhua Song (Zhuhai, China) and Junming Song (Zhuhai, China).
The patent was filed on June 12, 2024, under Application No. D/946,930.
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