ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,971, issued on July 1, was assigned to HENG SHENG INVESTMENT LTD. (Tortola, British Virgin Islands).
"Knitted fabric with concave-convex pattern" was invented by King-Hang Lo (Taipei, Taiwan) and Shi-Yang Chen (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A knitted fabric is knitted from at least three sets of thermoplastic polyurethane (TPU) yarns and has a technical face and a technical back opposite to each other. The knitted fabric has a concave-convex pattern region and a flat plane region continuously knitted with the concave-convex pattern region. In the flat plane region, loops in the technical face are disposed corresponding...