ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,791, issued on Sept. 23.
"Electronic delivery door" was invented by Syed Baber Ali Shah (Oakville, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is an electronic delivery door for permitting passage of an object between an interior and an exterior of a structure through an opening defined in the structure, the delivery door comprising: a door panel; a hinge assembly including: one or more hinges for securing the door panel within the opening of the structure and for permitting the door panel to move between a closed position and an open position by rotation of the one or more hinges, wherein: in the closed position, the opening is...