ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,734, issued on April 15.
"Tyre tread" was invented by Zongyi Xiang (Guizhou, China), Xubo Wang (Guizhou, China), Hanchen Shi (Guizhou, China) and Zhanghua Jiang (Guizhou, China).
The patent was filed on Jan. 9, 2023, under Application No. D/516,160.
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