| 1933 THOMPSON Dump Body For Trucks Patent Print |
| 1933 JOSEPH KUCHAR Side Dump Wagon Patent Print |
| 1933 JOSEPH KUCHAR Dump Wagon Patent Print Art |
| 1933 ATHEY TRUSS WHEEL CO Side Dump Wagon Patent |
| 1933 DRAVO CONTRACTING COMPANY Dump Scow Patent |
| 1933 HOWARD Self Loading Dump Body Patent Print |
| 1933 PULLMAN CAR & MFG CORP Dump Car Door Patent |
| 1933 CHOATE ROY Dump Wagon Patent Print Art |
| 1933 ATHEY TRUSS WHEEL CO Dump Wagon Patent |
| 1933 MILLER HARVEY Side Dump Truck Patent Print |
| 1933 MUSSEY WILLIAM Dump Car Door Patent Print |
| 1933 KNIGHT ROBERT Dump Wagon Patent Print Art |
| 1933 ERNST Three Way Dump Truck Patent Print Art |
| 1933 DAWSON ALBERT Dump Scow Patent Print Art |
| 1933 EDWARD Dump Car Art Print Patent |
| 1933 SMITH Dump Body Construction Patent Print |
| 1933 GALANOT CAMILLE Dump Vehicle Patent Print |
| 1933 GREER EDWARD Dump Wagon Patent Print Art |
| 1933 CLARK Hoist For Tilting Dump Bodies Patent |
| 1933 ANTON Dump Body For Vehicles Patent Print |