ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,812, issued on Feb. 24, was assigned to ArcelorMittal (Luxembourg).
"Method of making a tee rail having a high strength base" was invented by Raymond Uhrin (Hummelstown, Pa.), Zachary Royer (Mechanicsburg, Pa.), Jason Mccullough (Camp Hill, Pa.), Richard L Perry (Allentown, Pa.) and Bruce Stevenson (Fleetwood, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a high strength base-hardened tee rail and the tee rail produced by the method. The method includes the steps of providing a carbon steel tee rail, the steel tee rail provided at a temperature between 70deg and 800deg C.; and cooling the steel tee rail at a cooling rate that...