| 1937 MCGOWAN THOMAS Brake Mechanism Patent Print |
| 1937 BENDIX AVIAT CORP Brake Patent Print Art |
| 1937 O'CONNOR Hand Brake Mechanism Patent Print |
| 1937 LOUIS KADAR Railway Brake Beam Patent Print |
| 1937 KONRAD Brake System For Trains Patent Print |
| 1937 RILEY Brake Actuating Mechanism Patent |
| 1937 AMERICAN BRAKE CO Brake Rigging Patent |
| 1937 CROSSMAN THEODORE Brake Rigging Patent |
| 1937 BUSSE EDWIN Railway Brake Beam Patent Print |
| 1937 AMERICAN STEEL FOUNDRIES Brake Patent Print |
| 1937 HENRY FUCHS Hand Brake Patent Print Art |
| 1937 HASELTINE STACY Hand Brake Patent Print Art |
| 1937 LOGAN Empty And Load Brake Patent Print Art |
| 1937 BEYER Brake Patent |
| 1937 OLANDER ROLAND Hand Brake Patent Print Art |
| 1937 ROBERT PERILLARD Brake Construction Patent |
| 1937 WHITFORD HARRY Clasp Brake Patent Print Art |
| 1937 AMERICAN STEEL FOUNDRIES Clasp Brake Patent |
| 1937 FREDERIC SCHAEFER Brake Lever Patent Print |
| 1937 PRESSED STEEL CAR CO Car Brake Patent Print |
| 1937 BASELT WALTER Clasp Brake Patent Print Art |
| 1937 UNION Hand Brake Mechanism Art Print Patent |
| 1937 AIKMAN Magnetic Track Brake Patent Print |
| 1937 HARBERT Brake Hanger Retaining Means Patent |
| 1937 EKHOLM HERBERT Railway Brake Beam Patent |
| 1937 HEDGCOCK Unit Cylinder Drum Brake Patent |
| 1937 AUGUST MALMQUIST Brake Rod Coupler Patent |
| 1937 AMERICAN STEEL FOUNDRIES Drum Brake Patent |
| 1937 WAGELEY Locomotive Driver Brake Patent |
| 1937 HEDGCOCK WILLIAM Drum Brake Patent Print |
| 1937 BENDIX BRAKE CO Brake Patent Print Art |
| 1937 KINGSBURY Brake Toy Vehicles Patent Print |
| 1937 WILLY Air Brake For Aeroplanes Patent Print |
| 1937 BASELT Unit Cylinder Clasp Brake Patent |
| 1937 AURIEN RAY Clasp Brake Patent Print Art |
| 1937 MINER INC W H Hand Brake Patent Print Art |
| 1937 AMERICAN BRAKE CO Brake Mechanism Patent |
| 1937 LARSON Magnetic Track Brake Patent Print |
| 1937 BUSSE Brake Beam Support Chair Patent Print |
| 1937 HEDGCOCK Brake Arrangement Patent Print Art |
| 1937 FARMER CLYDE Magnetic Brake Patent Print |
| 1937 BETHLEHEN STEEL COMPANY Clasp Brake Patent |
| 1937 BARTSCH HERBERT Hand Brake Patent Print Art |
| 1937 FARMER Magnetic Brake Shoe Patent Print Art |
| 1937 SCHOEPF Magnetic Track Brake System Patent |
| 1937 PRINCE Brake Beam Safety Support Patent |
| 1937 LOUNSBURY HARVEY Hand Brake Patent Print |
| 1937 PHILIP Locomotive Driver Brake Patent Print |
| 1937 MCCUNE Fluid Pressure Brake Patent Print |
| 1937 AMERICAN BRAKE CO Slack Adjuster Patent |
| 1937 LARSON ARTHUR Magnetic Brake Patent Print |
| 1937 SUCKFIELD GEORGE Car Brake Patent Print Art |
| 1937 SCHOEPF THEODORE Magnetic Brake Patent |
| 1937 SCHOEPF Railway Brake Mechanism Patent |
| 1937 KERR Brake Patent |
| 1937 CRITTENDEN Magnetic Track Brake Patent |
| 1937 MCCUNE Magnetic Track Brake Patent Print |
| 1937 AURIEN RAY Brake Arrangement Patent Print |
| 1937 BASELT WALTER Brake Mechanism Patent Print |