ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,325, issued on June 16, was assigned to Tengfei Technology Co. Ltd. (Kunshan, China).

"Customized, spliced and molded mattress" was invented by Gang Ye (Kunshan, China), Xianming Mei (Kunshan, China) and Zeng He (Kunshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a customized, spliced and molded mattress, which includes a mattress base layer and a supporting layer, where the supporting layer is disposed on the mattress base layer, at least one supporting area is disposed on the supporting layer, at least one splicing block for changing local elasticity of the supporting area is disposed in the supporting area, and the mattress...