ALEXANDRIA, Va., June 6 -- United States Patent no. D1,071,583, issued on April 22, was assigned to Hangzhou Yixiang Technology Research and Development Co. Ltd. (Hangzhou, China).
"Sofa set" was invented by Baichen Dong (Hangzhou, China), Yulin Ye (Hangzhou, China), Jianing Zhu (Hangzhou, China) and Yongzhang Liu (Hangzhou, China).
The patent was filed on July 31, 2023, under Application No. D/898,628.
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