US Patent Issued to Endura Products on Sept. 30 for "Door assembly" (North Carolina Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,901, issued on Sept. 30, was assigned to Endura Products LLC (Colfax, N.C.).

"Door assembly" was invented by Kevin T. MacDonald (Greensboro, N.C.), Tomasz Jaskiewicz (Oak Ridge, N.C.) and Eric Johnson (Edenton, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A door assembly is shown and described herein. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a mullion. The invention may also be considered a frame member. The frame member may be a mullion and include a core; and a two-piece top piece adjoining the core to form a structural member. The door assembly may fu...