ALEXANDRIA, Va., May 19 -- United States Patent no. D1,127,023, issued on May 19.
"Electric soldering iron" was invented by Hongquan Yin (Yantai, China), Huiting Zhang (Yantai, China), Changlei Fan (Yantai, China) and Bo Yu (Yantai, China).
The patent was filed on June 16, 2025, under Application No. D/008,559.
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