ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,550,956, issued on Feb. 17, was assigned to Medline Industries LP (Northfield, Ill.).

"Protective apparel system with impervious protection" was invented by Mark Spencer Chua (Northbrook, Ill.), Michael Seefeldt (Libertyville, Ill.) and Francis Czajka (Libertyville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A protective apparel system is provided that comprises a helmet covering the wearer's head and a gown covering the wearer's body. A protective barrier extends between the helmet and the gown in order to separate an interior space from the exterior space. The helmet may be a reusable rigid helmet with an exterior surface that can be repeated...