ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,321, issued on Aug. 19, was assigned to UNVERFERTH MANUFACTURING Co. INC. (Kalida, Ohio).
"Track configuration for a farm implement" was invented by Michael D. Van Mill (Shell Rock, Iowa) and John Walvatne (Parkersburg, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A track assembly for a farm implement includes a camber arm mounted in a camber arm housing, a first mounting bracket coupled to the upper connection point on the front end and pivotably coupled to the lower pivot point on the front end, and a second mounting bracket coupled to the upper connection point on the back end and pivotably coupled to the lower pivot point on the back end....