| 1920 ALLEN Oil Absorbing Device Patent Print Art |
| 1920 ANDREWS ALFRED Game Device Patent Print Art |
| 1920 LINDEN JOHN Locking Device Patent Print Art |
| 1920 EMMERT WILLIAM Game Device Patent Print Art |
| 1920 ROSE Retaining Device For Switch Points Art |
| 1920 ROOS DELMAR Oiling Device Patent Print Art |
| 1920 CASTNER JR Feeding Device Patent Print Art |
| 1920 CROSSLEY Switch Tongue Holding Device Art |
| 1920 LA VALLE Coasting Device Patent Print Art |
| 1920 GRIFFEY Antisetting Device Patent Print Art |
| 1920 PETER Antisubmarine Device Patent Print Art |
| 1920 EDDIE JURAS Fishing Device Patent Print Art |
| 1920 MICHAL Ship Salvage Device Patent Print Art |
| 1920 ISIDOR ZION Toy Device Patent Print Art |
| 1920 THORLEIPSON Bombing Device Patent Print Art |
| 1920 WESTON Horn Shaping Device Patent Print Art |
| 1920 GUS Floating Device Patent Print Art |
| 1920 COLE WILSON Tabbing Device Patent Print Art |
| 1920 LOUIS Safety Device For Point Switches Art |
| 1920 CAMPBELL Uncoupling Device Patent Print Art |
| 1920 FEODOSY Life Saving Device Patent Print Art |
| 1920 WEBER Oiling Device For Journal Boxes Art |
| 1920 BOWNE CARR Game Device Patent Print Art |
| 1920 NEAL RUSSELLE Power Device Patent Print Art |
| 1920 JOHN GIESY Feeding Device Patent Print Art |
| 1920 HAUCK Locomotive Wheel Blocking Device Art |
| 1920 MANLIO Embroidering Device Patent Print Art |
| 1920 MIKE DANDY Sanding Device Patent Print Art |
| 1920 HENRY POWER Sanding Device Patent Print Art |