ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,840, issued on Oct. 21, was assigned to ESS Manufacturing Inc. (Jensen Beach, Fla.).
"Adjustable vertical barrier for a retractable screen" was invented by Michael Heissenberg (Port St. Lucie, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable vertical barrier placed at the bottom of a retractable screen to adjust for an uneven floor surface comprised of a housing for attached on one end of the screen enclosure and weighted lift bar within the housing for attachment of a felt gasket, whereby the lift bar is freely vertically movable within the housing so that the felt gasket conforms to the contour of a floor surface and the lift bar ...