ALEXANDRIA, Va., March 31 -- United States Patent no. D1,120,792, issued on March 31, was assigned to SCHNEIDER ELECTRIC INDUSTRIES SAS (Rueil-Malmaison, France).
"Luminous signalling device" was invented by Yee Hsien Tan (Grenoble, France).
The patent was filed on Sept. 20, 2024, under Application No. D/523,488.
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