ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,665, issued on April 7, was assigned to CHANGZHOU HAOYUJIE INTELLIGENT TECHNOLOGY Co. LTD. (Jiangsu, China).
"Dry-laid tile structure and laying method thereof" was invented by Guoxin He (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dry-laid tile structure and a tile dry-laying method are provided. A tile includes a tile body and a plastic frame. The plastic frame includes a frame body, first connection assemblies, and second connection assemblies. The frame body is provided with a limit groove and an insertion groove. First connection assembly protruding blocks are respectively provided on top sides of the first connection assembl...