American Railroad Association / Mechanical Committee of the Standard Coupler Manufacturers / NMRA Prototype Information Committee / Master Car Builders Association / Committee of the Standard Source Mechanical Coupler Manufacturers / Association of American Railroads / /
Person
A. V. Johansson / John Maxwell / Robert B. Browne / TIGHTLOCK COUPLER / J. C. Noble / W. Earl Keef / Bob Johnson During / Howard Hicks / Lee Klaus / /