ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,729, issued on Dec. 2.
"Carpet and manufacturing method thereof" was invented by Yueheng Wang (Tianjin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A carpet and a manufacturing method thereof are provided. The carpet includes a top layer, a felt filling layer, a bottom layer, and an anti-slip rubber layer. The felt filling layer is connected to a bottom surface of the top layer. The bottom layer is connected to a bottom surface of the felt filling layer. The anti-slip rubber layer is connected to a bottom surface of the bottom layer. An edge of the top layer is connected to an edge of the bottom layer to fix the felt filling layer between th...