ATP

TRACK FASTENERS MADE IN PART OF METAL, AND IN PART OF RUBBER, USED TO KEEP RAILS AND TIES FIRMLY IN PLACE AND FOR SECURING METAL TRACK RAILS TO RAILROAD TIES

RUBBER BALLAST MATS AND RUBBER BALLAST MAT PADS USED TO PRESERVE THE LIFE OF THE BALLAST AND PROTECT ADJACENT PROPERTY FROM SECONDARY NOISE

DESIGN OF RAILROAD TRACK FASTENERS FOR OTHERS; DESIGN OF BALLAST MATS AND BALLAST MAT PADS FOR OTHERS USED TO PROTECT ADJACENT PROPERTY FORM SECONDARY NOSE