ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,101, issued on Aug. 4.
"Electronic cigarette power supply device" was invented by Rongrong Hong (Shenzhen, China), Yongcong Lai (Shenzhen, China), Lin Chen (Shenzhen, China) and Weiwei Ou (Shenzhen, China).
The patent was filed on June 23, 2025, under Application No. D/525,964.
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