ALEXANDRIA, Va., March 19 -- United States Patent no. D1,067,498, issued on March 18, was assigned to Shijiazhuang Xiwo Advertising Co. Ltd. (Hebei, China).
"Fragrance lamp" was invented by Longsheng Gong (Hebei, China).
The patent was filed on Jan. 28, 2024, under Application No. D/926,013.
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