ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,918, issued on March 25, was assigned to SYMBOTIC LLC (Wilmington, Mass.).
"Method for autonomous transport vehicle charging system and warehouse storage and retrieval system including the autonomous transport vehicle charging system" was invented by Robert Sullivan (Wilmington, Mass.) and Dmitry Vasilyev (Sommerville, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A charging system for autonomous transport vehicles including at least one charging contact disposed on each pick floor level of a storage and retrieval system, each of the at least one charging contact being located at a transfer station, at least one power supply configured to su...