ALEXANDRIA, Va., Aug. 20 -- United States Patent no. D1,089,621, issued on Aug. 19, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).
"Fan blade" was invented by Chin-Hung Lee (Taoyuan, Taiwan), Chieh-Hung Chang (Taoyuan, Taiwan), Chieh-Shih Chang (Taoyuan, Taiwan) and Jian-Syun Wu (Taoyuan, Taiwan).
The patent was filed on Oct. 29, 2021, under Application No. D/790,001.
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