| 1949 BASELT Bolster Mounted Brake Patent Print |
| 1949 BARROWS Brake Beam Support Patent Print Art |
| 1949 MUELLER EMIL Brake Rigging Patent Print Art |
| 1949 HOFFACKER Aircraft Wheel Brake Patent Print |
| 1949 KEITH WILLIAMS Hand Brake Patent Print Art |
| 1949 BASELT WALTER Brake Beam Patent Print Art |
| 1949 HASELTINE STACY Hand Brake Patent Print Art |
| 1949 FREDERIC SCHAEFER Brake Beam Patent Print |
| 1949 KASS Brake Beam Safety Support Patent Print |
| 1949 TACK CARL Rotor Brake Patent Print Art |
| 1949 BUDD CO Brake Arrangement Patent Print Art |
| 1949 GAENSSLE PAUL Brake Mechanism Patent Print |
| 1949 HESS Wedge Lock Brake Beam Patent Print Art |
| 1949 ORR Brake Equalizer Support Patent Print |
| 1949 COUCH GLENN Brake Beam Support Patent Print |
| 1949 BUSSE EDWIN Brake Gear Support Patent Print |
| 1949 MINER INC W H Hand Brake Patent Print Art |
| 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 |