| 1922 BEEBE Dumping Mechanism For Trucks Patent |
| 1922 FRIEDRICH WOLLBRANDT Dumping Truck Patent |
| 1922 GERHARD IMMAND Dumping Car Patent Print Art |
| 1922 BUSACKER Truck Dumping Device Patent Print |
| 1922 ROGERS ROBERT Dumping Truck Patent Print |
| 1922 THORNTON Dumping Vehicle Body Patent Print |
| 1922 PAUL KRUGER Dumping Car Patent Print Art |
| 1922 MANDT Dumping Wagon And The Like Patent |
| 1922 CLARK CHARLES Dumping Wagon Patent Print |
| 1922 TRAUGER CHARLES Dumping Box Patent Print |
| 1922 MARTIN NESTER Dumping Body Patent Print Art |
| 1922 ALFRED Dumping Body For Trucks Patent Print |
| 1922 VINCENZO LO MONACO Dumping Truck Patent |
| 1922 KRUPP AG Dumping Receptacle Patent Print |
| 1922 DAVIDS Side Dumping Vehicle Patent Print |
| 1922 WINANS MYRON Dumping Auto Body Patent Print |
| 1922 HERBST ABRAM Dumping Truck Patent Print Art |
| 1922 FAUST ZARDINONI Dumping Truck Patent Print |
| 1922 HADDON VIRGIL Dumping Truck Patent Print |
| 1922 KRUPP AG Dumping Car Patent Print Art |
| 1922 GEORGE B SOMERVILLE Dumping Truck Patent |
| 1922 HOXIE CHARLES Dumping Truck Patent Print |
| 1922 SALE ROBERT Dumping Cart Patent Print Art |
| 1922 ASH Dumping Attachment For Vehicles Patent |
| 1922 FRITZ FINCKH Dumping Receptacle Patent |