| 1929 MILLER Brake For Hand Trucks Patent Print |
| 1929 O'CONNOR JOHN Hand Brake Patent Print Art |
| 1929 SPARHAWK Brake Wheel For Aeroplanes Patent |
| 1929 JOHNSON Coaster Wagon Brake Patent Print |
| 1929 NEW YORK AIR BRAKE CO Signal System Patent |
| 1929 AUSTIN Railway Brake Bracket Patent Print |
| 1929 MINER INC W H Hand Brake Patent Print Art |
| 1929 ROMOLO Brake Device For Lifeboats Patent |
| 1929 STEBLER Brake Beam Support Patent Print Art |
| 1929 THOMAS Door And Brake Control Device Patent |
| 1929 THOMASSON Brake Means For Aeroplanes Patent |
| 1929 HENRY SAUVAGE Hand Brake Patent Print Art |
| 1929 TAYLOR CHARLES Sled Brake Patent Print Art |
| 1929 CHRISTEL FRANK Brake Patent Print Art |
| 1929 THOMAS Hand Operated Brake Patent Print Art |
| 1929 HENRY PERLMUTTER Brake Construction Patent |
| 1929 VICTOR WILLOUGHBY Brake Lever Patent Print |
| 1929 HEWITT Brake Actuating Mechanism Patent |
| 1929 KESSLER Brake For Aeroplanes Patent Print |
| 1929 RALPH BROWNSON Depot Truck Brake Patent |
| 1929 JACKSON Brake Construction Patent Print Art |
| 1929 MILLER GEORGE Brake Beam Hanger Patent |
| 1929 DOWN Door And Brake Control Device Patent |