ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,204, issued on April 7, was assigned to Unisoft Medical Corp. (Torrington, Conn.).

"Cell bladder, expandable bladder, port system and attachment system" was invented by Robert J. Mileti (Torrington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell structure for a mattress or support where parallel cells are connected together substantially at their middle plane in series so that at least 5 tubes are sealed together in the series. In certain embodiments, feed cells are provided transverse the cell structure and the feed cells are sealed to the cell structure and include punches to allow fluid pressure form the feed cells to introduce into ...