| 1920 PFLAGER Mounting Locomotive Booster Motors |
| 1920 HYATT ROLLER BEARING Mounting Car Axle Boxes |
| 1920 TREVOR DAWSON Gun Mounting Patent Print Art |
| 1920 MCDADE Calendar Mounting Design Patent 41032 |
| 1920 BUSHNELL Car Axle Mounting Patent Print Art |
| 1920 HYATT ROLLER BEARING Car Axle Mounting Art |
| 1920 STERN LOUIS Mirror Mounting Patent Print |
| 1920 BUSHNELL Mounting For Car Axle Boxes Patent |
| 1920 FRANK Whistle And Mounting Patent Print Art |
| 1920 WITTSTEIN Gem Mounting Design Patent 31441 |
| 1920 KING Mounting Shuttle Operating Levers Art |
| 1920 JOHN KERN Reflector Mounting Patent Print |
| 1920 MESSERSMITH Tripod Mounting Guns &C Art |
| 1920 SMALLBONE Mounting Shuttle Operating Levers |
| 1920 SAUNDERS Mounting For Heavy Guns Patent |
| 1920 ST LOUIS CAR Spring Mounting Car Trucks |
| 1920 FELGER Design Plate Mounting Gems Patent 31430 |
| 1920 VICKERS LTD Gun Mounting Patent Print Art |
| 1920 ARTHUR C BROWN Mounting Heavy Guns Art |
| 1920 HALL ELBERT Propeller Mounting Patent Print |
| 1920 MORRIS LEONARD Chime Mounting Patent Print |
| 1920 SEELAR Spring Mounting For Car Trucks Art |
| 1920 DYKE Car Truck And Mounting Patent Print |