ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,302, issued on July 21, was assigned to Shenzhen Shenghengda Technology Co. Ltd. (Shenzhen, China).
"Portable lamp" was invented by Supeng Xu (Shenzhen, China).
The patent was filed on July 21, 2025, under Application No. D/014,003.
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