ALEXANDRIA, Va., Oct. 28 -- United States Patent no. D1,099,612, issued on Oct. 28, was assigned to GUANGZHOU QINGKUAI INNOVATION TECHNOLOGY Co. LTD. (Guangzhou, China).
"Portable warmer" was invented by Yonglun Huang (Guangdong, China), Huihuang Xie (Guangdong, China), Jialin Zheng (Guangdong, China) and Yiyi Luo (Guangdong, China).
The patent was filed on Sept. 18, 2024, under Application No. D/963,605.
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