ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,496, issued on Oct. 21, was assigned to BOAL SYSTEMEN B.V. ('s-Gravenzande, Netherlands).
"Method of applying a foil on an inclined roof structure" was invented by Gerardus Jacobus Maria Van Holsteijn (Wateringen, Netherlands) and Danny Johannes Van Paassen (De Lier, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of applying a foil on an inclined roof structure having a ridge beam, a gutter, a plurality of parallel roof bars interconnecting the beam and the gutter and a ventilation opening frame which surrounds an opening that is located between the beam, the gutter and two neighboring bars, comprises: supplying a window frame t...