ALEXANDRIA, Va., June 6 -- United States Patent no. D1,072,216, issued on April 22, was assigned to Dongguan ChunYuan Eco-Technologies Co. Ltd. (Dongguan, China).
"Firewood stove" was invented by Chicai Zheng (Dongguan, China).
The patent was filed on Dec. 30, 2022, under Application No. D/881,342.
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