ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,690, issued on Sept. 16, was assigned to Motis LLC (Germantown, Wis.).

"Trussed ramp" was invented by Robert Krolski (Kewaskum, Wis.), Carl Richter (Menomonee Falls, Wis.) and Clint Berry (Rapid River, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ramp includes an extruded beam extending between a first end and a second end. The beam includes a first plate and a second plate opposite the first plate. A first side wall and a second side wall each extend between the first plate and the second plate. A first brace wall extends from a first corner to the first plate. The first corner is between the second plate and the first side wall. A secon...