| 1933 SPRING ALVA Firing Device Patent Print Art |
| 1933 BERGANDER Antitheft Device Patent Print Art |
| 1933 SZUMKOWSKI Swimming Device Patent Print Art |
| 1933 ANTON MAREK Braking Device Patent Print Art |
| 1933 KELLER Radio Timing Device Patent Print Art |
| 1933 CHRISTIAN Parachute Device Patent Print Art |
| 1933 BLUNT Railroad Truck Centering Device Art |
| 1933 BLUNT Lateral Motion Resisting Device Art |
| 1933 MAX WALD Signaling Device Patent Print Art |
| 1933 PAUL Automatic Golf Ball Teeing Device Art |
| 1933 ALEXANDER Amusement Device Patent Print Art |
| 1933 UNION SWITCH & SIGNAL CO Clutch Device Art |
| 1933 MARKLE JACOB Game Device Patent Print Art |
| 1933 SEYMOUR JOHN Game Device Patent Print Art |
| 1933 HUDSON Loop Forming And Cutting Device Art |
| 1933 MURPHY Supporting Device For Golf Bags Art |
| 1933 OEHLBERG Orthopedic Device Patent Print Art |
| 1933 ADAMS Toy Explosive Device Patent Print Art |
| 1933 COATES Golf Scoring Device Patent Print Art |
| 1933 PAINE Ball Throwing Device Patent Print Art |
| 1933 BONE HERBERT Clutch Device Patent Print Art |