ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,095,275, issued on Sept. 30, was assigned to MACE GROUP INC. (Rancho Cucamonga, Calif.).
"Safety alarm" was invented by Yu Sheng Lu (Taichung, Taiwan).
The patent was filed on Nov. 10, 2023, under Application No. D/916,353.
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