ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,799, issued on April 7, was assigned to Nuhn Industries Ltd. (Sebringville, Canada).

"Amphibious vehicle with adjustable components for use in a liquid manure lagoon" was invented by Ian Nuhn (Stratford, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amphibious vehicle for operation in a liquid manure lagoon has a first liquid manure mover (e.g., a propeller or a nozzle) that is vertically adjustable through a closed-loop linkage assembly to change the vertical position of the first liquid manure mover with respect to the surface of the liquid manure lagoon. The vehicle has a second liquid manure mover (e.g., a propeller or a nozzle) that ...