| 1920 OSCAR J DOSS Piano Violin Patent Print Art |
| 1920 PAYNE OSCAR Gun AUTO ORDNANCE CORP Patent |
| 1920 PAYNE OSCAR Gun Element Patent Print Art |
| 1920 OSCAR SCHMIDT INC Banjo Patent Print Art |
| 1920 PAYNE OSCAR Breech Lubrication Patent Print |
| 1920 BERGQUIST OSCAR Sacking Truck Patent Print |
| 1920 YORK OSCAR Sheep Feeding Rack Patent Print |
| 1920 OSCAR HEYMANN Bowling Alley Patent Print |
| 1920 PAYNE OSCAR Cartridge Magazine Patent Print |
| 1920 MOYERS OSCAR Flash Eliminator Patent Print |
| 1920 OSCAR FREY Perch Patent Print Art |
| 1920 MEREDITH OSCAR Animal Trap Patent Print Art |
| 1920 WENBERG OSCAR Tank Heater Patent Print Art |
| 1920 OSCAR YANCEY Toy Submarine Patent Print Art |
| 1920 MOSSBERG OSCAR Firearm Patent Print Art |
| 1920 PAYNE OSCAR Gun Mechanism Patent Print Art |
| 1920 OSCAR Highway Crossing Signal Patent Print |
| 1920 HOLLOWAY OSCAR Toy Patent Print Art |
| 1920 AHLBOM OSCAR Bicycle Sled Patent Print Art |
| 1920 PAYNE OSCAR Gun Magazine Patent Print Art |