ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,492, issued on June 17, was assigned to Deere & Co. (Moline, Ill.).

"Machine diagnostic system and method based on expected controllers identification and communication" was invented by Jesse A. Braun (Waukee, Iowa), Graham S. Anderson (Cedar Falls, Iowa) and Vaibhav Madalagi (Bettendorf, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diagnostic method, executable for example from remote computing devices or onboard control units for machines having various systems, each system having associated electronic controllers. For a specified machine and configuration, a hierarchical list is automatically generated comprising systems associated with ...