ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,270, issued on July 21, was assigned to Shaw Industries Group Inc. (Dalton, Ga.).

"Stair tread" was invented by Katie Holloway (Rocky Face, Ga.), Roger L. Young (Dalton, Ga.) and Jianghua Yang (Shangshu, Canada).

The patent was filed on Dec. 29, 2023, under Application No. D/923,598.

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