| 1931 GROEHN Metal Automobile Body Patent Print |
| 1931 SCOTT WILLIAM Automobile Truck Patent Print |
| 1931 FOX Ornamental Design Automobile Hood Patent 49298 |
| 1931 SPRINGFIELD Automobile Bumper Patent Print |
| 1931 SCHEMMEL Automobile Finishing Welt Patent 12409 |
| 1931 JAMES Automobile Parking Anchor Patent |
| 1931 ROBINSON Cover For Automobile Doors Patent |
| 1931 LEE Automobile Package Car Patent Print Art |
| 1931 LEAMY Automobile Design Patent 42104 |
| 1931 JOSEPH Automobile Theft Alarm Patent Print |
| 1931 HALLER Automobile Radiator Ornament Patent 42101 |
| 1931 REUBEN Automobile Hand Grip Patent Print |
| 1931 WAY Automobile Antitheft Lock Patent Print |
| 1931 RITZ Automobile Protection Plate Patent |
| 1931 FRANKE WILLIAM Automobile Bumper Patent |
| 1931 MARTEL Automobile Locking Mechanism Patent |
| 1931 ATKINSON Automobile Bumper Patent Print Art |
| 1931 MCMURDO GEORGE Automobile Bumper Patent |
| 1931 KELLY Automobile Vanity Case Patent Print |
| 1931 REID Automobile Carrying Vehicle Patent |
| 1931 SPERY Automobile Luggage Trunk Patent Print |
| 1931 SICKEL ERNEST Automobile Lock Patent Print |
| 1931 BANSCHBACH Automobile Side Buffer Patent |
| 1931 DYER DOLEN Automobile Card Case Patent |
| 1931 BLOSSOM Automobile Locking Mechanism Patent |
| 1931 JAKE Automobile Carrier Rack Patent Print |
| 1931 NELSON LITTELL Automobile Bumper Patent |
| 1931 FRANK FRITSCH Automobile Bumper Patent |