ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,744, issued on Dec. 16, was assigned to Douglas Dynamics LLC (Milwaukee).
"Containment plow" was invented by Derek William Adam (Milwaukee), Benjamin Chadwick Altfillisch (Milwaukee), David N. Bloxdorf (Hubertus, Wis.), Christopher David Damon (Milwaukee) and Christopher Aaron Horn (Menomonee Falls, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A containment plow adapted to be mounted to a vehicle such as a skid steer, a wheeled loader, or a tractor comprises a moldboard frame, a moldboard mounted to the moldboard frame, a wing pivotally connected to the moldboard frame adjacent each end of the moldboard, a moldboard cutting edge mounted to a ...