ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,408, issued on Aug. 11, was assigned to Symbotic LLC (Wilmington, Mass.).

"Mechanical guard bot blocking system" was invented by Joseph Aubin (Hollis, N.H.), Alan Grant (Nashua, N.H.), William J. Fosnight (Windham, N.H.), Frederick M. Morgan (Bedford, N.H.), Karl Koch (North Billerica, Mass.) and Michael Chesna (Saugus, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automated order fulfillment facility including one or more rows of storage locations for storing totes or other containers, mobile robots configured to move along and/or between rails to transfer the totes or other containers to and from the storage locations, and an energy abso...