| 1949 AMERICAN STEEL FOUNDRIES Brake Beam Patent |
| 1949 BASELT Bolster Mounted Brake Patent Print |
| 1949 BARROWS Brake Beam Support Patent Print Art |
| 1949 AMERICAN BRAKE CO Brake Rigging Patent |
| 1949 SPAETH IRVIN Brake Gear Support Patent |
| 1949 BARTON Railway Brake Beam Structure Patent |
| 1949 MUELLER EMIL Brake Rigging Patent Print Art |
| 1949 KROPP FORGE Brake Lever Operated Switch |
| 1949 AMERICAN Side Frame Brake Support Structure |
| 1949 HOFFACKER Aircraft Wheel Brake Patent Print |
| 1949 GOODRICH B F Hydraulically Operated Brake Valve |
| 1949 KEITH WILLIAMS Hand Brake Patent Print Art |
| 1949 BASELT WALTER Brake Beam Patent Print Art |
| 1949 CHICAGO RAILWAY EQUIPMENT CO Brake Gear Support |
| 1949 OSNER Unitary Brake Beam And Head Patent |
| 1949 AMERICAN STEEL FOUNDRIES Brake Beam Method Making |
| 1949 WHITNEY Brake Beam And Method Of Making Art |
| 1949 BROMSREGULATOR Variable Load Brake Railway Cars |
| 1949 CHICAGO Railway Brake Beam Mounting Art |
| 1949 LIGHT DAVID Brake Hanger Device Patent |
| 1949 HASELTINE STACY Hand Brake Patent Print Art |
| 1949 BASELT Truss Type Brake Beam Casting Patent |
| 1949 FREDERIC Brake Rigging With Beam Retracting Spring |
| 1949 WESTINGHOUSE AIR BRAKE CO Hot Journal Detecting |
| 1949 DOREY Resilient Connection Brake Rods Like |
| 1949 AMERICAN STEEL FOUNDRIES Brake Beam Safety Support |
| 1949 FREDERIC SCHAEFER Brake Beam Patent Print |
| 1949 LEE Brake Mechanism For Rail Cars Patent |
| 1949 WESTINGHOUSE AIR BRAKE CO Temperature Responsive |
| 1949 BETTENDORF COMPANY Railway Car Brake Patent |
| 1949 KASS Brake Beam Safety Support Patent Print |
| 1949 TACK CARL Rotor Brake Patent Print Art |
| 1949 HJALMAR Variable Load Brake Railway Cars |
| 1949 BUDD CO Brake Arrangement Patent Print Art |
| 1949 GAENSSLE PAUL Brake Mechanism Patent Print |
| 1949 SYMINGTON GOULD CORP Brake Beam Support Art |
| 1949 AMERICAN STEEL FOUNDRIES Rotor Brake Patent |
| 1949 FAIRCHILD ENGINE AIRPLANE Aircraft Wheel Brake |
| 1949 BUCKEYE STEEL CASTINGS CO Brake Equalizer Support |
| 1949 LINSCOTT Wheel Brake Retracted Landing Gears |
| 1949 SCHAEFER Wear Plate Brake Hanger Brackets |
| 1949 GRIP NUT Brake Beam Safety Support Art |
| 1949 BUSSE Railway Brake Beam Mounting Patent |
| 1949 AMERICAN Truss Type Brake Beam Casting Art |
| 1949 AMERICAN STEEL FOUNDRIES Bolster Mounted Brake |
| 1949 KUPKA Counterpressure Brake System Patent |
| 1949 CHICAGO Railway Brake Beam Structure Art |
| 1949 KROPP Brake Lever Operated Switch Patent |
| 1949 HESS Wedge Lock Brake Beam Patent Print Art |
| 1949 SCHRAGE FREDERICK Railway Car Brake Patent |
| 1949 BILGER Suspended Monorail Brake Patent |
| 1949 ORR Brake Equalizer Support Patent Print |
| 1949 MAX SHLIVEK Counterpressure Brake System |
| 1949 COUCH GLENN Brake Beam Support Patent Print |
| 1949 AMERICAN STEEL FOUNDRIES Trussed Brake Beam |
| 1949 BASELT WALTER Trussed Brake Beam Patent |
| 1949 BUFFALO BRAKE BEAM CO Brake Beam Patent |
| 1949 SIMANEK Brake Beam And Safety Support Art |
| 1949 EKSERGIAN Support Brake Mechanisms On Equalizers |
| 1949 BUDD CO Support Brake Mechanisms On Equalizers |
| 1949 BUSSE EDWIN Brake Gear Support Patent Print |
| 1949 MINER INC W H Hand Brake Patent Print Art |
| 1949 CROSSMAN THEODORE Brake Rigging Patent |
| 1949 JEFFREY CO Brake Mechanism Rail Cars Art |
| 1949 JOSEPH LEDWINKA Brake Arrangement Patent |
| 1949 AMERICAN BRAKE SHOE CO Rail Lubricator Art |
| 1949 WERNER Side Frame Brake Support Structure |
| 1949 BUDD CO Brake Mechanism Patent Print Art |
| 1949 JOHNSON WADE Single Disk Brake Patent Print |
| 1949 BUSCH CHARLES Brake Beam Patent Print Art |
| 1949 KEITH One Way Ratchet Brake Patent Print |
| 1949 NEW YORK AIR BRAKE CO Timed Track Sander Control |
| 1949 CHARLES Hydraulically Operated Brake Valve |
| 1949 WINGFOOT CORP ADAMSON MACHINE Single Disk Brake |