ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,571, issued on Aug. 26, was assigned to Secretlab SG Pte. Ltd. (Singapore).
"Supportive apparatus for a furniture item" was invented by Vincent Sin (Singapore), Jon Hao Chan (Singapore) and Cheng Feng Elroy Lee (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a supportive apparatus for a furniture item, the supportive apparatus comprising a first layer comprising a first polymeric foam material having a first density ranging from 30 kg/m3 to 60 kg/m3; a second layer disposed on the first layer, the second layer comprising a second polymeric foam material having a second density ranging from 60 kg/m3 to 90 kg/m3, wherein the sec...