ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,690, issued on Oct. 21.

"Rolling stack shelving assembly" was invented by Taylor Julius (Wichita, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Storage Assembly incorporating a plurality of shelves arranged in a longitudinal series; a plurality of rollers mounted at lower ends of the shelves, the rollers being oriented to facilitate longitudinal or oppositely longitudinal movements of the shelves; a plurality of linear motion actuator arms having a proximal and distal ends, and having an upper catwalk floor, each of the arms' distal ends being fixedly attached to one of the shelves; a plurality of rack gears fixedly attached to the linear mo...