Patent 11565283 was granted and assigned to Opex Corporation on January, 2023 by the United States Patent and Trademark Office.
A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a path to/from the destination areas, which are positioned along the path. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.