ALEXANDRIA, Va., April 15 -- United States Patent no. D1,122,494, issued on April 14, was assigned to HOTECK INC. (Taichung City, Taiwan).
"Lighting unit" was invented by Chia-Wei Chang (Taichung City, Taiwan), Chung-Yu Lin (Taichung City, Taiwan), Kai-Jen Tsai (Taichung City, Taiwan) and Min-Yuan Hsiao (Taichung City, Taiwan).
The patent was filed on Feb. 23, 2022, under Application No. D/827,912.
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