ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,538,987, issued on Feb. 3, was assigned to Bedgear LLC (Farmingdale, N.Y.).

"Negative pressure mattress system" was invented by Eugene Alletto Jr. (Glen Head, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bedding system includes a box layer having a duct and an inlet. The duct has a passageway that is in communication with the inlet. A capacitor layer includes a cavity that is in communication with the passageway. A mattress layer includes a bottom surface and a top surface that defines a sleep surface. A hole extends through the top and bottom surfaces and is in communication with the cavity. A central vacuum system includes a power unit, a pipe...