| 1921 HARRIS Side Frame For Car Trucks Patent |
| 1921 BLAKE Dumping Mechanism For Trucks Patent |
| 1921 LARSEN Bolster Construction Six Wheel Trucks |
| 1921 BARKER Body Tilting Mechanism Motor Trucks |
| 1921 LEWIS Brake Mechanism For Trucks Patent |
| 1921 PULLMAN CO Equalizer For Car Trucks Patent |
| 1921 BERG Body For Dumping Trucks Patent Print |
| 1921 GEORGE Fender Automobiles Trucks Art Print |
| 1921 GREAT WESTERN COMMERCIAL BODY Body Dumping Trucks |
| 1921 EUGENE Bag Holder For Trucks Patent Print |
| 1921 CHARLES A LEICHT SR Brake Mechanism Trucks |
| 1921 HERMAN Gate For Dumping Trucks Patent Print |
| 1921 DYER Elevating Mechanism Shop Trucks Art |
| 1921 LOUIS VAN BERG Fender Automobiles Trucks |
| 1921 STUBBE Elevator Automobile Trucks Like Art |
| 1921 PETER Equalizer For Car Trucks Patent Print |
| 1921 BUCKEYE Bolster Construction Six Wheel Trucks |
| 1921 SAURER AG ADOLPH Dumping Body Trucks &C Art |
| 1921 NELSON Body For Dumping Trucks Patent Print |
| 1921 CUSTAV Dumping Body For Trucks &C Patent |
| 1921 BUDA Elevating Mechanism Shop Trucks Art |
| 1921 CROMWELL Bed Hinge Automobile Trucks Art |
| Original 1921 Ad for Packard Motor Car Co. - Trucks |