| 1939 HUXTER Trailer Ornamental Design Patent 19263 |
| 1939 SWORD Trailer Construction Patent Print Art |
| 1939 OWEN JAMES Trailer Construction Patent |
| 1939 JAMES LOWRY Hopper Trailer Patent Print Art |
| 1939 RAVEN PHILIP Trailer Patent Print Art |
| 1939 MULLINS MFG CORP Trailer Patent Print Art |
| 1939 VINCENT THELANDER Trailer Step Patent Print |
| 1939 RAYMOND KOETS Trailer Patent Print Art |
| 1939 WELLS Ornamental Design Trailer Patent 48903 |
| 1939 ANDERSON CARL Trailer Patent Print Art |
| 1939 STEWART Automobile Trailer Patent Print Art |
| 1939 PINTER Convertible Trailer Boat Patent |
| 1939 HENRY GOEDDERTZ Trailer Patent Print Art |
| 1939 W V FIELDER Trailer Patent Print Art |
| 1939 KORS Collapsible Auto Trailer Patent Print |
| 1939 TAYIOR WILLIAM Trailer W V FIELDER Patent |
| 1939 LEO Collapsible House Trailer Patent Print |
| 1939 DONDLINGER Trailer Transport Vehicle Patent |
| 1939 KIRKSEY Trailer Dumping Apparatus Patent |
| 1939 MCVICKER JESSE Hopper Trailer Patent Print |
| 1939 DAVEY Trailer For Motor Vehicles Patent |
| 1939 HUXTER Design Trailer Patent 19261 |
| 1939 JARMIN JAMES Trailer Patent Print Art |
| 1939 ALEXANDER FEIGELSON Dump Trailer Patent |
| 1939 PAYSON Boat Trailer Apparatus Patent Print |
| 1939 BOND CHARLES Folding Trailer Patent Print |
| 1939 HAFER HARRY Trailer Bed Patent Print Art |
| 1939 FRUEHAUF TRAILER CO Tank Vehicle Patent |
| 1939 FRANCO Dinette Trailer Patent 9419 |
| 1939 HUXTER Ornamental Design Trailer Patent 19262 |