| 1930 ROWE Animal Feeding Device Patent Print Art |
| 1930 HERBERT Sewing Machine Presser Device Art |
| 1930 FUGLE Cable Raising Device Patent Print Art |
| 1930 LONG Boat Salvaging Device Patent Print Art |
| 1930 QUAIN ERIC Swimming Device Patent Print Art |
| 1930 GRANT Car Retarding Device Patent Print Art |
| 1930 NICHOLAS Car Coupler Operating Device Art |
| 1930 EMIL Animal Loading Device Patent Print Art |
| 1930 EMIL BAHR Alarm Device Patent Print Art |
| 1930 WESTINUS Propelling Device Patent Print Art |
| 1930 SHAW Game Scoring Device Patent Print Art |
| 1930 LAMONT JESSE Signal Device Patent Print Art |
| 1930 FOSTER MACHINE CO Yarn Tension Device Art |
| 1930 MCKEAN Yarn Tension Device Patent Print Art |
| 1930 LAWRENCE Propelling Device Patent Print Art |
| 1930 MCCUNE Door Control Device Patent Print Art |
| 1930 MCCONWAY & TORLEY CO Uncoupling Device Art |
| 1930 WILLIAMS Golf Stroke Registering Device Art |
| 1930 CRAPO JOHN Clamping Device Patent Print Art |
| 1930 HYNES FRANCIS Game Device Patent Print Art |
| 1930 KLEIN JOSEPH Signal Device Patent Print Art |
| 1930 PASCO Pedal Locking Device Patent Print Art |
| 1930 SMITH Safety Device For Grade Crossings Art |