| 1939 GOETTIE Roller Skate Brake Patent Print Art |
| 1939 BUDD WHEEL CO Vehicle Brake Patent Print |
| 1939 JOSEPH LEDWINKA Vehicle Brake Patent Print |
| 1939 FARMER CLYDE Brake Mechanism Patent Print |
| 1939 MILLER FRANK Brake Mechanism Patent Print |
| 1939 HANSEN LARRY Brake Rigging Patent Print Art |
| 1939 CLEAVE Railway Car Hand Brake Patent Print |
| 1939 ILLINOIS Brake Hanger Retainer Art Print |
| 1939 RANSOM WILLARD Brake Mechanism Patent Print |
| 1939 FARMER Fluid Pressure Brake Patent Print |
| 1939 WHITNEY RALPH Brake Mechanism Patent Print |
| 1939 JOHNSON Brake Hanger Retainer Patent Print |
| 1939 FRED Brake Mechanism For Sleds Patent Print |
| 1939 UNION Hand Brake Mechanism Art Print Patent |
| 1939 CLARK EQUIPMENT CO Brake Patent Print Art |
| 1939 CLEAVE Nonspin Wheel Brake Patent Print Art |
| 1939 NAYLOR PATENTS CORP Brake Beam Patent Print |
| 1939 HULL JOHN Magnetic Track Brake Patent Print |
| 1939 BENDIX PROD CORP Brake Patent Print Art |
| 1939 BUSCH CHARLES Brake Beam Patent Print Art |
| 1939 BUSCH CHARLES Brake Beam Strut Patent Print |
| 1939 FARMER CLYDE Brake Device Patent Print Art |
| 1939 O'CONNOR Hand Brake Mechanism Patent Print |
| 1939 ERNST ZINDEL Rudder Brake Patent Print Art |
| 1939 AURIEN Clasp Brake Arrangement Patent Print |
| 1939 BASELT Clasp Brake Arrangement Patent Print |
| 1939 LIGHT Brake Gear Safety Guard Patent Print |
| 1939 NEVINGER RALPH Armature Brake Patent Print |
| 1939 WESTINGHOUSE AIR BRAKE CO Horn Patent Print |
| 1939 WILLIAM BURGETT Ski Brake Patent Print Art |
| 1939 JOHN Brake For Aircraft Wheels Patent Print |
| 1939 FREDERIC SCHAEFER Brake Hanger Patent Print |
| 1939 LE Railway Brake Gear Device Patent Print |
| 1939 BERT Two Speed Coaster Brake Patent Print |
| 1939 HEFFNER Universal Sled Brake Patent Print |
| 1939 AURIEN RAY Brake Arrangement Patent Print |
| 1939 CHICAGO Brake Gear Safety Guard Art Print |
| 1939 BROWN WILLIAM Truck Brake Patent Print Art |