ALEXANDRIA, Va., June 4 -- United States Patent no. 12,317,768, issued on June 3.

"Automatic terrain adjustment system for an agricultural implement" was invented by Christian Kiel (Crookston, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic terrain adjustment system automatically adjusts the forward and rearward height of a tractor-towed agricultural implement, such as a defoliator, responsive to a sensed change in the depth of terrain over which the agricultural implement traverses. The forward height of the implement is adjusted independently of the rearward height of the implement using two distinct automatic depth controlling systems. Each automatic depth controlling system utilizes a l...