ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,911, issued on Feb. 18, was assigned to Concaten Inc. (Golden, Colo.).
"Mobile barrier" was invented by Kevin K. Groeneweg (Golden, Colo.), David Meyerink (Golden, Colo.), Duane Meyerink (Golden, Colo.) and LeRoy Severson (Golden, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety system is shown including a vehicle, first and second platforms, a barrier positioned between and connected to the first and second platforms defining a protected work area on a side of the trailer; a detachable caboose and wherein the vehicle and caboose are engaged with the first and second platforms, and the vehicle and caboose have braking systems that opera...