ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,534, issued on Nov. 18, was assigned to Deere & Co. (Moline, Ill.).
"Threshing spine" was invented by Manish Singh (Pune, India), Michael T. Meschke (Geneseo, Ill.), Mark L. Mattson (East Moline, Ill.) and Corey A. Noord (Atkinson, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spine for providing structural support for a dual rotor harvesting machine, the spine having a first surface that is solid and directed towards a first rotor configured to rotate about a first axis and a second surface that is solid and directed towards a second rotor configured to rotate about a second axis. The spine also having at least one threshing insert position...