ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,911, issued on April 21, was assigned to Zhejiang Huafon New Materials Co. Ltd. (Wenzhou, China).
"Shoe forming method" was invented by Wu Cai (Wenzhou, China), Yongxin Bao (Wenzhou, China), Wandong Cai (Wenzhou, China), Yebao Zhao (Wenzhou, China), Xuejun Zhang (Wenzhou, China) and Yu Chi (Wenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a product forming method, a product, and a shoe. The product forming method comprises the following steps: (1) placing a film on a bottom mold, and fixing the film between the bottom mold and a middle frame; (2) placing an outer housing material on the film, and suctio...