ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,285, issued on May 5, was assigned to PS INDUSTRIES Inc. (Grand Forks, N.D.).
"Liquid containment door with continuous gasket" was invented by James Satrom (Grand Forks, N.D.), Chad Joseph Rose (Grand Forks, N.D.), Nathan Joel Ueland (Grand Forks, N.D.) and Daniel Thomas Satrom (Arvilla, N.D.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pedestrian door system includes a door frame comprising a frame strike side, a frame hinge side, and a frame sealing surface that extends up each of the frame strike and frame hinge sides. A threshold extends between the frame strike and frame hinge sides and includes a base secured to a floor surface and a thresho...