ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,246, issued on May 6, was assigned to CNGMOTIVE INC. (Frankfort, Ill.).

"Railroad car having multiple penetration resistant and protective structures" was invented by David I. Scott (Frankfort, Ill.), Pedro T. Santos (Houston) and Robert Thomas Scott (Shorewood, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A railroad car including a plurality of penetration resistant and protective structures including a penetration resistant and protective underframe, penetration resistant and protective first end, second end, and center bulkheads, penetration resistant and protective first, second, third, and fourth side walls, and protective first and seco...