| 1941 WALTER Synchronizer Patent Print Art |
| 1941 BASEIT WALTER Clasp Brake Patent Print Art |
| 1941 BASELT WALTER Brake Arrangement Patent |
| 1941 CLARKE WALTER Toy Boat Patent Print Art |
| 1941 WALTER HARRY Walking Doll Patent Print Art |
| 1941 STEELE WALTER Harmonica Patent Print Art |
| 1941 WARE WALTER Reverse Gearing Patent Print |
| 1941 STAMPFI WALTER Hydroplane Boat Patent Print |
| 1941 BOLTON WALTER Oar Patent Print Art |
| 1941 DIEHL WALTER Seaplane Wing Float Patent |
| 1941 WALTER Hairspring Bending Apparatus Patent |
| 1941 WALTER INWOOD Boat Hull Patent Print Art |
| 1941 BEANE WALTER Log Roller Patent Print Art |
| 1941 BURNHAM WALTER Propeller Patent Print Art |
| 1941 WALTER HANSELL Game Device Patent Print Art |
| 1941 FINLAY WALTER Ammunition Patent Print Art |
| 1941 WEISS WALTER Measuring Device Patent Print |
| 1941 ADAMS WALTER Casting Plug Patent Print Art |
| 1941 FULLER WALTER Musical Instrument Patent |
| 1941 WALTER Boat Hull Patent Print Art |
| 1941 GORTON WALTER Gun Patent Print Art |
| 1941 WALTER Selective Single Trigger Patent |
| 1941 WALTER SVENSSON Ski Patent Print Art |
| 1941 WALTER STEINHILBER Marionette Patent Print |
| 1941 WALTER GREENQUIST Baton Patent Print Art |