ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,186, issued on June 3, was assigned to Masonite Corp. (Tampa, Fla.).
"Door skin stacking" was invented by Patrick C. Ege (Westmont, Ill.), Robert C. Allen (Elburn, Ill.) and Alan Pepin (Saint Cloud, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of stacked door skins is provided, the plurality including at least first and second door skins each including at least one inner panel, an outer body portion surrounding the at least one inner panel, and at least one contoured portion surrounding the at least one panel and interconnecting the at least one panel to the outer body portion. The at least one contoured portion includes a substant...